FCC ID: NS9PMXDDL2450 2X2 MIMO 2.4 GHz OEM DDL Module (1W)

Operating Manual pMXDDL2450 2X2 MIMO 2.4 GHz OEM DDL Module

(1W) Revision 0.26, October 3, 2022 Microhard Systems Inc. www.microhardcorp.com Warranty Microhard Systems Inc. warrants that each product will be free of defects in material and workmanship for a period of one (1) year for its products. The warranty commences on the date the product is shipped by Microhard Systems Inc. Microhard Systems Inc.s sole liability and responsibility under this warranty is to repair or replace any product which is returned to it by the Buyer and which Microhard Systems Inc. determines does not conform to the warranty. Product returned to Microhard Systems Inc. for warranty service will be shipped to Microhard Systems Inc. at Buyers expense and will be returned to Buyer at Microhard Systems Inc.s expense. In no event shall Microhard Systems Inc. be responsible under this warranty for any defect which is caused by negligence, misuse or mistreatment of a product or for any unit which has been altered or modified in any way. The warranty of replacement shall terminate with the warranty of the product. Warranty Disclaims Microhard Systems Inc. makes no warranties of any nature of kind, expressed or implied, with respect to the hardware, software, and/or products and hereby disclaims any and all such warranties, including but not limited to warranty of non-infringement, implied warranties of merchantability for a particular purpose, any interruption or loss of the hardware, software, and/or product, any delay in providing the hardware, software, and/or product or correcting any defect in the hardware, software, and/or product, or any other warranty. The Purchaser represents and warrants that Microhard Systems Inc. has not made any such warranties to the Purchaser or its agents MICROHARD SYSTEMS INC. EXPRESS WARRANTY TO BUYER CONSTITUTES MICROHARD SYSTEMS INC. SOLE LIABILITY AND THE BUYERS SOLE REMEDIES. EXCEPT AS THUS PROVIDED, MICROHARD SYSTEMS INC. DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PROMISE. MICROHARD SYSTEMS INC. PRODUCTS ARE NOT DESIGNED OR INTENDED TO BE USED IN ANY LIFE SUPPORT RELATED DEVICE OR SYSTEM RELATED FUNCTIONS NOR AS PART OF ANY OTHER CRITICAL SYSTEM AND ARE GRANTED NO FUNCTIONAL WARRANTY. Indemnification The Purchaser shall indemnify Microhard Systems Inc. and its respective directors, officers, employees, successors and assigns including any subsidiaries, related corporations, or affiliates, shall be released and discharged from any and all manner of action, causes of action, liability, losses, damages, suits, dues, sums of money, expenses

(including legal fees), general damages, special damages, including without limitation, claims for personal injuries, death or property damage related to the products sold hereunder, costs and demands of every and any kind and nature whatsoever at law. IN NO EVENT WILL MICROHARD SYSTEMS INC. BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL, BUSINESS INTERRUPTION, CATASTROPHIC, PUNITIVE OR OTHER DAMAGES WHICH MAY BE CLAIMED TO ARISE IN CONNECTION WITH THE HARDWARE, REGARDLESS OF THE LEGAL THEORY BEHIND SUCH CLAIMS, WHETHER IN TORT, CONTRACT OR UNDER ANY APPLICABLE STATUTORY OR REGULATORY LAWS, RULES, REGULATIONS, EXECUTIVE OR ADMINISTRATIVE ORDERS OR DECLARATIONS OR OTHERWISE, EVEN IF MICROHARD SYSTEMS INC. HAS BEEN ADVISED OR OTHERWISE HAS KNOWLEDGE OF THE POSSIBILITY OF SUCH DAMAGES AND TAKES NO ACTION TO PREVENT OR MINIMIZE SUCH DAMAGES. IN THE EVENT THAT REGARDLESS OF THE WARRANTY DISCLAIMERS AND HOLD HARMLESS PROVISIONS INCLUDED ABOVE MICROHARD SYSTEMS INC. IS SOMEHOW HELD LIABLE OR RESPONSIBLE FOR ANY DAMAGE OR INJURY, MICROHARD SYSTEMS INC.'S LIABILITY FOR ANYDAMAGES SHALL NOT EXCEED THE PROFIT REALIZED BY MICROHARD SYSTEMS INC. ON THE SALE OR PROVISION OF THE HARDWARE TO THE CUSTOMER. Proprietary Rights The Buyer hereby acknowledges that Microhard Systems Inc. has a proprietary interest and intellectual property rights in the Hardware, Software and/or Products. The Purchaser shall not (i) remove any copyright, trade secret, trademark or other evidence of Microhard Systems Inc.s ownership or proprietary interest or confidentiality other proprietary notices contained on, or in, the Hardware, Software or Products, (ii) reproduce or modify any Hardware, Software or Products or make any copies thereof, (iii) reverse assemble, reverse engineer or decompile any Software or copy thereof in whole or in part, (iv) sell, transfer or otherwise make available to others the Hardware, Software, or Products or documentation thereof or any copy thereof, except in accordance with this Agreement. ii PMXDDL2450 Operating Manual pMXDDL2450 Regulatory Requirements - PLEASE READ THIS SECTION CAREFULLY WARNING:

To satisfy FCC RF exposure requirements for mobile transmitting devices, a separation distance of 25 cm (38 cm co-location with LTE module), or more should be maintained between the antenna of this device and persons during device operation. To ensure compliance, operations at closer than this distance is not recommended. The antenna used for this transmitter must not be co-located in conjunction with any other antenna or transmitter. WARNING:

Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received including interference that may cause undesired operation. WARNING:

Changes or modifications not expressly approved by Microhard Systems Inc. could void the users authority to operate the equipment. This device has been tested with UFL to Reverse Polarity SMA connectors with the antennas listed in Appendix A When integrated in OEM products, fixed antennas require installation preventing end-users from replacing them with non-approved antennas. Antennas not listed in the tables must be tested to comply with FCC Section 15.203 (unique antenna connectors) and Section 15.247 (emissions). WARNING:

MAXIMUM EIRP FCC Regulations allow up to 36 dBm equivalent isotropically radiated power (EIRP). Therefore, the sum of the transmitted power

(in dBm), the cabling loss and the antenna gain cannot exceed 36 dBm. WARNING:

EQUIPMENT LABELING The FCC and IC numbers depend on the model of the radio module. Do NOT use the Marketing Name of the product but the Model to distinguish the Certifications Numbers. This device has been modularly approved. The manufacturer, product name, and FCC and Industry Canada identifiers of this product must appear on the outside label of the end-user equipment. WARNING:

This device contains license-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canadas license-exempt RSS(s). Operation is subject to the following two conditions:

1. This device may not cause interference. 2. This device must accept any interference, including interference that may cause undesired operation of the device. SAMPLE LABEL REQUIREMENT:

Contains:

pMXDDL2450 FCC ID: NS9PMXDDL2450 IC : 3143A-PMXDDL2450 This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received including interference that may cause undesired operation. iii pMXDDL2450 Exigences Rglementaires WARNING:

Pour satisfaire aux exigences d'exposition RF de la FCC pour les appareils de transmission mobiles, une distance de sparation de 25 cm (colocation de 38 cm avec le module LTE) ou plus doit tre maintenue entre l'antenne de cet appareil et les personnes pendant le fonctionnement de l'appareil. Pour garantir la conformit, les oprations une distance infrieure cette distance ne sont pas recommandes. L'antenne utilise pour cet metteur ne doit pas tre co-localise avec une autre antenne ou un autre metteur. WARNING:

Son fonctionnement est soumis aux deux conditions suivantes : ( 1 ) ce dispositif ne doit pas causer d'interfrences nuisibles et ( 2) cet appareil doit accepter toute interfrence reue, incluant les interfrences qui peuvent provoquer un fonctionnement indsirable . WARNING:

Les changements ou modifications non expressment approuvs par Microhard Systems Inc. pourraient annuler l'autorit de l'utilisateur utiliser l'quipement . Ce dispositif a t test avec MCX et connecteurs SMA polarit inverse sur les antennes rpertories l'annexe A Lorsqu'il est intgr dans les produits OEM , antennes fixes ncessitent une installation empchant les utilisateurs finaux de les remplacer par des antennes non approuves . Antennes ne figurant pas dans les tableaux doivent tre tests pour se conformer la Section 15.203 (connecteurs d'antenne uniques ) et la Section 15.247 ( missions ) . WARNING:

MAXIMUM PIRE Rglement FCC permettent jusqu' 36 dBm puissance isotrope rayonne quivalente ( PIRE) . Par consquent, la somme de la puissance mise ( en dBm ), la perte de cblage et le gain d'antenne ne peut pas dpasser 36 dBm. WARNING:

QUIPEMENT DE MARQUAGE Les numros FCC et IC dpendent du modle du module radio . Ne pas utiliser le nom marketing du produit, mais le modle de distinguer les numros Certifications . Ce dispositif a t approuv de faon modulaire . Le fabricant , nom du produit, et les identificateurs de la FCC et d'Industrie Canada de ce produit doivent figurer sur l'tiquette l'extrieur de l'quipement de l'utilisateur final . WARNING:

Lmetteur/rcepteur exempt de licence contenu dans le prsent appareil est conforme aux CNR dInnovation, Sciences et Dveloppement conomique Canada applicables aux appareils radio exempts de licence. Lexploitation est autorise aux deux conditions suivantes :

1. Lappareil ne doit pas produire de brouillage;

2. Lappareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible den compromettre le fonctionnement. SAMPLE LABEL REQUIREMENT:

Contains:

pMXDDL2450 FCC ID: NS9PMXDDL2450 IC : 3143A-PMXDDL2450 Cet appareil est conforme la partie 15 des rgles de la FCC . Son fonctionnement est soumis aux deux conditions suivantes : ( 1 ) ce dispositif ne doit pas causer d'interfrences nuisibles et ( 2) cet appareil doit accepter toute interfrence reue, incluant les interfrences qui peuvent provoquer un fonctionnement indsirable . iv PMXDDL2450 Operating Manual Co-Location with Cellular Modems Co-location MPE conditions of EUT with 2.5 dBi dipole and LTE module were evaluated at 38 cm distance. The following were evaluated for mobile configurations:

1) EUT with 2.5 dBi dipole antenna co-located with LTE Data Card Module

(FCC ID: XMR201808EC25AF, IC: 10224A-2018EC25AF) 2) EUT with 2.5 dBi dipole antenna co- located with LTE Data Card Module

(FCC ID: XMR201903EG25G, IC: 10224A-201903EG25G) 3) EUT with 2.5 dBi dipole antenna co- located with LTE Data Card Module

(FCC ID: XMR201910BG95M3, IC: 10224A-2019BG95M3) 4) EUT with 2.5 dBi dipole antenna co- located with LTE Data Card Module

(FCC ID: XMR201901EM12G, ISED/IC: 10224A-201901EM12G) Co - localisation avec Cellular Modem Les conditions MPE de co-localisation de l'EUT avec un diple de 2,5 dBi et un module LTE ont t values une distance de 38 cm. Les lments suivants ont t valus pour les configurations mobiles :

1 ) EUT avec antenne diple 2.5 dBi co-localise avec le module de carte de donnes LTE

(FCC ID: XMR201808EC25AF, ISED/IC: 10224A-2018EC25AF) 2 ) EUT avec antenne diple 2.5 dBi co-localise avec le module de carte de donnes LTE

(FCC ID: XMR201903EG25G, ISED/IC: 10224A-201903EG25G) 3 ) EUT avec antenne diple 2.5 dBi co-localise avec le module de carte de donnes LTE

(FCC ID: XMR201910BG95M3, ISED/IC: 10224A-2019BG95M3) 4 ) EUT avec antenne diple 2.5 dBi co-localise avec le module de carte de donnes LTE

(FCC ID: XMR201901EM12G, ISED/IC: 10224A-201901EM12G) v Contents Warranty ....................................................................................................................................................................... ii Proprietary Rights ......................................................................................................................................................... ii pMXDDL2450 Regulatory Requirements ................................................................................................................ iii pMXDDL2450 Exigences Rglementaires.................................................................................................................iv Co-Location Instructions ............................................................................................................................................... v 2. GENERAL ........................................................................................................................................................... 1 2.0 2.1 PRODUCT OVERVIEW ........................................................................................................................................................ 1 OUTPUT POWER LEVEL ..................................................................................................................................................... 2 3. INSTALLATION ................................................................................................................................................. 3 3.0 3.1 3.2 OVERVIEW ....................................................................................................................................................................... 3 ESTIMATING THE GAIN MARGIN ....................................................................................................................................... 3 ANTENNAS AND CABLING ................................................................................................................................................. 5 Internal Cabling ..................................................................................................................................... 5 Installing External Cables, Antennas and Lightning Arrestors .............................................................. 6 3.2.1 3.2.2 vi PMXDDL2450 Operating Manual 2. General 2.0 Product Overview The pMXDDL2450 is a high-performance embedded wireless data transceiver. Operating in the 2400 2483.5 MHz ISM band, this frequency-hopping spread-spectrum module is capable of providing reliable wireless data transfer between almost any type of equipment which uses an asynchronous serial interface. The small-size and superior RF performance of this module make it ideal for many applications. While a pair of pMXDDL2450 modules can link two terminal devices

(point-to-point operation); multiple modules can be used together to create a network of various topologies, including point-to-multipoint and repeater operation. Multiple independent networks can operate concurrently, so it is possible for unrelated communications to take place in the same or a nearby area without sacrificing privacy or reliability. 1.1 Features Key features of the pMXDDL2450 include:

transmission within a public, license-exempt band of the radio spectrum1 this means that it can be used without access fees

(such as those incurred by cellular airtime). a serial I/O data port with handshaking and hardware flow control, allowing the pMXDDL2450 to interface directly to any equipment with an asynchronous serial interface. ease of installation and use the pMXDDL2450 module uses a subset of standard AT style commands, very similar to those used by traditional telephone line modems. all units in a system are physically identical, and can be configured as a master, repeater or slave using the AT command set. No hardware modifications are required 128 sets of user-selectable pseudo-random hopping patterns, intelligently designed to offer the possibility of separately operating multiple networks while providing security, reliability and high tolerance to interference. encryption key with 65536 user-selectable values to maximize security and privacy of communications. 32-bit of CRC error detection and auto re-transmit to provide accuracy and reliability of data. 1 2400-2483.5 MHz, which is license-free within North America; may need to be factory-configured differently for some countries. 1 TDMA (time division multiple access) support, allowing multi-slave access in point-to-point mode. roaming ability, allowing repeaters and slaves to re-

synchronize with a new master if the synchronization pulse from the original master is lost. While the typical application for the pMXDDL2450 is to provide a short- to mid-range wireless communications link between DTEs, it can be adapted to almost any situation where an asynchronous serial interface is used and data intercommunication is required. 2.1 Output Power Level The Output Power Level determines at what power the pMXDDL2450 transmits. The pMXDDL2450 s sensitive receiver can operate with very low power levels, so it is recommended that the lowest power necessary is used; using excessive power contributes to unnecessary RF pollution. Ideally, you should test the communications performance between units starting from a low power level and working upward until the RSSI is sufficiently high and a reliable link is established. The conditions will vary widely between applications, the output power settings can be calculated based on following information. Transmitter antenna gain Cable loss Equivalent Isotropically Radiated Power (EIRP) requirement by FCC Regulations Power Setting = 36 Antenna Gain Cable Loss The power setting must be no more than the above calculation value. Any higher is a violation of FCC rules. See IMPORTANT warning below. Table 1 Output Power Power Setting

(dBm) Approx. Output Power

(mW) 20 21 22 23 24 25 26 27 28 29 30 100 125 160 200 250 320 400 500 630 800 1000 2 3. Installation 3.0 Overview The pMXDDL2450 complies with FCC part 15 at the modular level for operation in the license-free 2400-2483.5 MHz ISM band. This chapter installing and deploying equipment which provides guidelines for incorporates the pMXDDL2450 module. 3.1 Estimating the Gain Margin Successful communication between pMXDDL2450 modules is dependent on three main factors:

System Gain Path Loss Interference System gain is a calculation in dB describing the performance to be expected between a transmitter-receiver pair. The number can be calculated based on knowledge of the equipment being deployed. The following four factors make up a system gain calculation:

1. Transmitter power (user selectable) 2. Transmitter gain (transmitting antenna gain minus cabling loss between the transmitting antenna and the pMXDDL2450 module) 3. Receiver gain (Receiving antenna gain minus cabling loss between the receiving antenna and the module) 4. Receiver sensitivity (Specified as -108dBm on the pMXDDL2450 module) In the following illustration, the transmitting antenna has a gain of 6 dB, and the receiving antenna has a gain of 3 dB. The cable loss between the module and the antenna is 2 dB on both the transmitting and receiving side. Cable Loss = 2 dB Cable Loss = 2 dB Antenna Gain = 6 dB Antenna Gain = 3 dB Transmitter 30 dBm Output Power Receiver Sensitivity =

-105 dBm Chapter3 Installation 3 Figure 1 Gain Calculation The power level has been set to 30dBm (1W) on the transmitter, and the receiver sensitivity for the pMXDDL2450 is -108dBm. System gain would be calculated to be:

30 - 2 + 6 + 3 - 2 + 108 = 143 dB. Base Height (m) Mobile Height

(m) Distance (km) Figure 2 System Deploying When deploying your system, care must be taken to ensure the path loss

(reduction of signal strength from transmitter to receiver in dB) between equipment does not exceed the system gain (140 dB in the above example). It is recommended to design for a gain margin of at least 20 dB to ensure reliable communication. Gain margin is the difference between system gain and path loss. Referring to the same example, suppose the path loss is 100 dB, the gain margin would be 40 dB, which is more than adequate for reliable communication. Path loss is a very complicated calculation which mainly depends on the terrain profile, and the height of the antennas off the ground. The following table provides path loss numbers for varying antenna heights and antenna separation: These numbers are real averages taken from rural environments. They do not apply to urban, non-line-of-sight environments. Table 2 Path Loss Distance

(km) Base Height

(m) Mobile Height

(m) Path Loss

(dB) 5 5 8 8 8 16 16 16 16 16 16 15 30 15 15 15 15 15 15 30 30 30 2.5 2.5 2.5 5 10 2.5 5 10 10 5 2.5 116.5 110.9 124.1 117.7 105 135.3 128.9 116.2 109.6 122.4 128.8 4 pMXDDL2450 Operating Manual Once the equipment is deployed, you can verify the signal strength by entering into Command Mode and reading Register S123. This register provides the average signal strength in dBm. The minimum strength for communication is roughly -108dBm. For consistent reliable communication, you should try to deploy the equipment such that signal strength exceeds -95dBm. 3.2 Antennas and Cabling This section describes the recommended procedure for installing cabling and antennas for use with the pMXDDL2450 module. 3.2.1 Internal Cabling The most common method for installing the module is to run a cable from the modules UFL connector to a reverse TNC bulkhead connector on the chassis of the equipment as shown in Figure 3. This cable can be purchased from Microhard Systems. Reverse TNC Connector RG316 Cable with UFL connector and Reverse TNC bulkhead connector UFL connector 2 L D D X M P 0 5 4 Figure 3 Suggested Internal Cabling Cable losses are negligible for the short piece used within the chassis. Additional losses up to 0.5 dB may be present in the MCX and Reverse TNC connections. pMXDDL2450 Operating Manual 5 WARNING:

To satisfy FCC RF exposure requirements for mobile transmitting devices, a separation distance of 25 cm (38cm collocated with LTE module) or more should be maintained between the antenna of this device and persons during device operation. To ensure compliance, operations at closer than this distance is not recommended. The antenna used for this transmitter must not be co-

located in conjunction with any other antenna or transmitter. WARNING:

Direct human contact with the antenna is potentially unhealthy when the pMXDDL2450 is generating RF energy. Always ensure that the pMXDDL2450 equipment is powered down during installation. WARNING:

Never work on an antenna system when there is lightning in the area. 3.2.2 Installing External Cables, Antennas and Lightning Arrestors Never work on an antenna system when there is lightning in the area. Direct human contact with the antenna is potentially unhealthy when the pMXDDL2450 is generating RF energy. Always ensure that the pMXDDL2450 equipment is powered down during installation. At all times a distance of 23 cm must be maintained between the antenna and any person when the device is in operation. Surge Arrestors The most effective protection against lightning is to install two lightning

(surge) arrestors, one at the antenna, the other one at the interface with the equipment. The surge arrestor grounding system should be fully interconnected with the transmission tower and power grounding systems to form a single, fully integrated ground circuit. Typically, both ports on surge arrestors are N-female. External Filter Although the pMXDDL2450 is capable of filtering out RF noise in most environments, there are circumstances that require external filtering. Paging towers and cellular base stations in close proximity to the pMXDDL2450 antenna can desensitize the receiver. Microhard Systems external cavity filter eliminates this problem. The filter has two N-female ports and should be connected in line at the interface to the RF equipment. Weatherproofing Type N and RTNC connectors are not weatherproof. All connectors should be taped with rubber splicing tape (weatherproofing tape), and then coated with a sealant. Cabling The following coax cables are recommended:

Table 3 Cable Loss Cable Loss (dB/100ft) LMR 195 LMR 400 LMR 600 10.7 3.9 2.5 Factors to take into consideration when choosing a cable are:

price;

bend radius limitations (the lower performance cables generally can bend more sharply) performance requirements; and, distance between the equipment and the antenna. 6 pMXDDL2450 Operating Manual WARNING:

MAXIMUM EIRP FCC and IC Regulations allow up to 36dBm effective isotropically radiated power

(EIRP). Therefore, the sum of the transmitted power (in dBm), the cabling loss and the antenna gain cannot exceed 36 dBm with respect to the isotropic radiator. WARNING:

The pMXDDL2450 can only be used with any antennas listed in Appendix A. WARNING:

Be careful with dBi vs dBd gains on antenna specifications. Antenna manufactures may not clearly indicate the gain on the antenna if it is dBd or dBi. Note 1dBd = 2.15dBi. When installing the cable, always begin fastening at the top near the antenna connector/surge arrestor. The cable must be supported at the top with a hose clamp or wrap lock, and at 5 ft intervals down the length of the tower. Over-tightening the fasteners will dent the cable and reduce performance. If properly grounded surge arrestors are not installed at both the top and the bottom of the cable, then the cable should be grounded to the tower at these locations using a cable grounding kit. If the tower is non-

conductive, then a separate conductor, physically separate from the cable, should be run down the tower. Antenna Before choosing an antenna, you should have some knowledge of the path loss and the topology of the equipment. If the equipment is in a fixed location and is to communicate with only one other unit also in a fixed location, then a Yagi antenna is suitable. Choose a Yagi with enough gain to ensure adequate gain margin. When deploying the Yagi, point the antenna towards the intended target, ensuring the antenna elements are perpendicular to the ground for vertical polarization. In applications where there are multiple units that you must communicate with or units, which are in motion, you may select an Omni-directional antenna with appropriate gain. See appendix A for a list of approved antennas that can be used with the pMXDDL2450 radio modem. If you require another type of antenna please contact Microhard Systems Inc. The pMXDDL2450 CANNOT be used with any antenna that does not appear in Appendix A. Microhard Systems Inc. can provide you with approved antennas to ensure FCC and Industry Canada compliance. FCC Regulations allow up to 36dBm effective isotropically radiated power (EIRP). Therefore, the sum of the transmitted power (in dBm), the cabling loss and the antenna gain cannot exceed 36dBm with respect to the isotropic radiator. EIRP is calculated as follows:

EIRP = Tx Power(dBm) - Cable/Connector Loss(dB) + Ant Gain(dBi) Antenna Gains must be in dBi when calculating the 36dBm EIRP limit. 1dBd = 2.15dBi Use the guidelines in the previous section for calculating cable and connector losses. If cabling and connector losses are 2 dB, then the maximum allowable gain of the antenna will be 8 dB. Examples of Antenna and Power settings to maintain 36dBm EIRP Antenna Power Level Minimum Cable / Loss EIPR 8.15 dBi Omni 30dBm 25 feet LMR195 / 2.675dB 35.475dBm 12.5 dBi Patch 23dBm 10 feet LMR195 / 1.07dB 34.43dBm 14.15 dBi Yagi 21dBm 10 feet LMR400 / 0.39dB 34.76dBm pMXDDL2450 Operating Manual 7 8 pMXDDL2450 Operating Manual What is the maximum power the pMXDDL2450 can be set to comply with FCC and IC given the following equipment given a Omni Ant Gain 6dBd and cable and connector loss of 2.5 dB?

Max EIRP 36dBm Max TX power = EIRP Ant Gain(dBi) + Cable/Connector loss (dB) Ant Gain dBi = Ant Gain dBd + 2.15 dB Omni Gain (dBi) = 6 + 2.15 = 8.15dBi Max TX power = 36dBm 8.15dB + 2.5dB = 30.35dBm Hence Max TX power = 30dBm Examples:

Industry Canada FCC and Regulations allow up to 36dBm effective isotropically radiated power (EIRP). Therefore, the sum of the transmitted power (in dBm), the cabling loss and the exceed antenna gain cannot 36dBm with respect the to isotropic radiator. Example 1) What is the maximum power the pMXDDL2450 can be set to comply with FCC and IC given the following equipment given a Rubber Ducky Ant Gain 2dBi and no cable or connectors in the system?

Max EIRP 36dBm Max TX power = EIRP Ant Gain(dBi) + Cable/Connector loss

(dB) Ant Gain dBi = 2dBi Max TX power = 36dBm 2dBi +

0dB = 34dBm We can set the modem to the maximum power setting of 30dBm. Example 2) What is the maximum power the pMXDDL2450 can be set to comply with FCC and IC given the following equipment given a Yagi Ant Gain 12dBd and cable and connector loss of 4.5 dB?

Max EIRP 36dBm Max TX power = EIRP Ant Gain(dBi) + Cable/Connector loss

(dB) Ant Gain dBi = Ant Gain dBd + 2.15 dB Yagi Gain (dBi) = 12 + 2.15 =

14.15dBi Max TX power = 36dBm 14.15dB + 4.5dB = 26.35dBm We must round down Hence Max TX power = 26dBm Example 3) pMXDDL2450 Operating Manual 9 A. Approved Antennas This radio transmitter (IC:3143A-PMXDDL2450) has been approved by Innovation, Science and Economic Development Canada to operate with the antenna types listed below, with the maximum permissible gain indicated. Antenna types not included in this list that have a gain greater than the maximum gain indicated for any type listed are strictly prohibited for use with this device. Le prsent metteur radio ( IC : 3143A-PMXDDL2450) a t approuv par Innovation, Sciences et Dveloppement conomique Canada pour fonctionner avec les types d'antenne numrs cidessous et ayant un gain admissible maximal. Les types d'antenne non inclus dans cette liste, et dont le gain est suprieur au gain maximal indiqu pour tout type figurant sur la liste, sont strictement interdits pour l'exploitation de l'metteur. Part Number Description Rubber Ducky Yagi Antennas Patch Antennas Omni Directional MHS031100 MHS031110 MHS031120 MHS031121 MHS034100 MHS034000 MHS034120 MHS034150 MHS034200 MHS034210 MHS031260 MHS034000 MHS031340 MHS034020 MHS034030 MHS034040 2dBi,2.4GHz Rubber Ducky Antenna RPTNC Swivel 2dBi, 2.4GHz Rubber Ducky Antenna Reverse SMA Swivel 2dBi, 2.4GHz Rubber Ducky Antenna Reverse SMA Straight 2.5dBi 2.4 GHz Rubber Ducky Antenna Reverse SMA Swivel 9 dBi, 2.4GHz Yagi Directional Antenna RPTNC Pigtail 12 dBi, 2.4GHz Yagi Directional Antenna RPTNC Pigtail 14 dBi, 2.4GHz Yagi Directional Antenna RPTNC Pigtail 14.5 dBi, 2.4GHz Yagi Directional Antenna RPTNC Pigtail 8 dBi, 2.4GHz Mini Flat Patch Directional Antenna RPTNC Pigtail 14 dBi, 2.4GHz Flat Patch Directional Antenna RPTNC Pigtail 5 dBi, Omni Directional Antenna RPTNC Pigtail 6 dBi, 2.4GHz Omni Directional Antenna RPTNC Pigtail 8 dBi, Omni Directional Antenna RPTNC Pigtail 10.5 dBi, 2.4GHz Omni Directional Antenna RPTNC Pigtail 12 dBi, 2.4GHz Omni Directional Antenna RPTNC Pigtail 15 dBi, 2.4GHz Omni Directional Antenna RPTNC Pigtail WARNING:

Changes or modifications not expressly approved by Microhard Systems Inc. could void the users authority to operate the equipment. This device has been tested with UFL connectors with the antennas listed in Appendix A When integrated in OEM products, fixed antennas require installation preventing end-users from replacing them with non-

approved antennas. Antennas not listed in the tables must be tested to comply with FCC Section 15.203 (unique antenna connectors) and Section 15.247 (emissions). Please Contact Microhard Systems Inc. if you need more information. ISED Canada: This device has been designed to operate with the antennas listed above, and having a maximum gain of 15 dBi. Antennas not included in this list or having a gain greater than 15 dBi are strictly prohibited for use with this device. The required antenna impedance is 50 ohms. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (EIRP) is not more than that required for successful communication. This Class B digital apparatus complies with Canadian ICES-003. ISDE Canada: Cet appareil a t conu pour fonctionner avec les antennes numres ci-dessus, et ayant un gain maximal de 15 dBi. Antennes pas inclus dans cette liste ou prsentant un gain suprieur 15 dBi sont strictement interdits pour une utilisation avec cet appareil. L'impdance d'antenne requise est de 50 ohms. Pour rduire les interfrences radio potentielles pour les autres utilisateurs, le type d'antenne et son gain doivent tre choisis afin que la puissance isotrope quivalente (PIRE) ne soit pas suprieure celle requise pour une communication russie rayonne. Cet appareil numrique de classe B est conforme la norme ICES -003 du Canada. 10 pMXDDL2450 Operating Manual

Microhard pMXDDL2450 IC: 3143A- PMXDDL2450 FCC ID: NS9PMXDDL2450 MAC:

LABEL FORMAT AND LOCATION TOP View

Tel: (403) 248-0028 Fax: (403) 248-2762 E-mail: info@microhardcorp.com www.microhardcorp.com June 1 2022 Leaders in Wireless Telecom To Whom It May Concern Subject: Authority to Act as an Agent Applicant: Microhard Systems Inc. FCC ID: NS9PMXDDL2450 Dear Sir/Madam:

I hereby appoint UltraTech Engineering Labs Inc. (UltraTech) to act as my agent in preparation of this application for authorization of above equipment under F.C.C. Rules. The applicant hereby certify that neither the applicant nor any party to the application is subject to a denial of Federal benefits, that include FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862 because of a conviction for possession or distribution of a controlled substance. See 47 CFR 1.2002(b) for the definition of a party for these purposes. I also certify that the information provided, properly describe the device or system for which authorization is required. Sincerely, Hany Shenouda Director of Engineering Microhard Systems Inc.

Tel: (403) 248-0028 Fax: (403) 248-2762 E-mail: info@microhardcorp.com www.microhardcorp.com Leaders in Wireless Telecom June 1, 2022 To Whom It May Concern Subject: Confidentiality Request Letter Applicant:

FCC ID:

Microhard Systems Inc. NS9PMXDDL2450 Dear Sir/Madam:

The applicant would like to request the following documents submitted with this application for certification be withheld from public disclosure as per Sections 0.457 & 0.459 of FCC Rules. 1. 2. 3. 4. Operational Description Block Diagram Schematic(s) Parts List The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Yours truly, Hany Shenouda Director of Engineering Microhard Systems Inc.

WARNING:pdfminer.pdfpage:The PDF <_io.BufferedReader name='/Volumes/Scratch/Incoming/eg-scratch/6169137.pdf'> contains a metadata field indicating that it should not allow text extraction. Ignoring this field and proceeding. Use the check_extractable if you want to raise an error in this case UltraTech Group of Labs FCC TCB & ISED CB Accreditations:

October 11, 2022 Ultratech Engineering Labs, Inc. 3000 Bristol Circle Oakville, Ontario L6H 6G4 Subject:

Application for Equipment Certification under FCC Part 15, Subpart C, Section 15.247 - Digital Modulation Systems (DTS) Operating in 2400 -

2483.5 MHz Band Applicant: Microhard Systems Inc. Product:

Model:

FCC ID:

2X2 MIMO 2.4 GHz OEM DDL Module (1W) pMXDDL2450 NS9PMXDDL2450 APEC TEL CA0001 Dear Sir/Madam:

1309 As appointed agent for Microhard Systems Inc., we submit the application for certification of the above product. Kindly review all files uploaded to your electronic filing site. This application is subject to FCC certification for modular approval, kindly refer to Applicants letter requesting for modular approval according to the modular approval requirements in Section 15.212 rules. CA0001/2049 If you have any queries, please do not hesitate to contact us. Yours truly, Dan Huynh Dan Huynh Authorized Agent AT-1945 SL2-IN-E-1119R Korea KCC-RRA CA0001 3000 Bristol Circle, Oakville, Ontario, Canada L6H 6G4 Tel.: (905) 829-1570 Fax.: (905) 829-8050 Website: www.ultratech-labs.com Email: vic@ultratech-labs.com

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: HR/2019/1001602 Page: 1 of 7 Cover PRF Exposure Evaluation Report Application No.:

HR/2019/10016 Applicant:

Quectel Wireless Solutions Co., Ltd. Address of Applicant:

7th Floor, Hongye Building, No.1801 Hongmei Road, Xuhui District, Shanghai 200233, China Manufacturer:

Quectel Wireless Solutions Co., Ltd. Address of Manufacturer:

7th Floor, Hongye Building, No.1801 Hongmei Road, Xuhui District, Shanghai 200233, China Factory:

Quectel Wireless Solutions Co., Ltd. Address of Factory:

7th Floor, Hongye Building, No.1801 Hongmei Road, Xuhui District, Shanghai 200233, China EUT Description:

LTE Module Model No.:

Trade Mark:

FCC ID:

Standards:

EG25-G, EG25-G MINIPCIE Quectel XMR201903EG25G 47 CFR Part 2 47 CFR Part 22 subpart H 47 CFR Part 24 subpart E 47 CFR Part 27 subpart C Date of Receipt:

2019/1/30 Date of Test:

Date of Issue:

Test Result:

2019/1/31 to 2019/2/28 2019/2/28 PASS*

*

In the configuration tested, the EUT complied with the standards specified above. Authorized Signature:

Derek Yang Wireless Laboratory Manager SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: HR/2019/1001602 Page: 2 of 7 1 Version Version Chapter Date Modifier Remark Revision Record 00 Authorized for issue by:

2019/2/28 Original Mike Hu /Project Engineer David Chen /Reviewer 2019/2/28 2019/2/28 Reamark:

The difference between EG25-G and EG25-G MIMIPCIE:

EG25-G and EG25-G MINIPCIE both are LTE modules(Category: Cat.4). They have the same frequency and use the same chipset and share the same software & hardware design. EG25-G MINIPCIE makes up of EG25-G module and PCIe carrier board.No any other internal changes in EG25-G module. We hereby state that two models are identical in interior structure and components, and just connector interface is different for the marketing requirement. According to the difference above, all the tests were performed on EG25-G, and the data of EG25-G MINIPCIE can refer to EG25-G. 1 2 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: HR/2019/1001602 Page: 3 of 7 Contents VERSION ................................................................................................................................................................. 2 GENERAL INFORMATION .................................................................................................................................. 4 2.1 2.2 2.3 2.4 2.5 CLIENT INFORMATION ..................................................................................................................................... 4 TEST LOCATION .............................................................................................................................................. 4 TEST FACILITY ................................................................................................................................................. 4 GENERAL DESCRIPTION OF EUT .................................................................................................................... 5 TEST MODE ..................................................................................................................................................... 5 3 RF EXPOSURE EVALUATION ........................................................................................................................... 6 3.1 RF EXPOSURE COMPLIANCE REQUIREMENT ................................................................................................. 6 3.1.1 Limits .......................................................................................................................................................... 6 3.1.2 Test Procedure ......................................................................................................................................... 6 3.1.3 EUT RF Exposure Evaluation ................................................................................................................ 7 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: HR/2019/1001602 Page: 4 of 7 2 General Information 2.1 Client Information Applicant:

Quectel Wireless Solutions Co., Ltd. Address of Applicant:

7th Floor, Hongye Building, No.1801 Hongmei Road, Xuhui District, Shanghai 200233, China Manufacturer:

Quectel Wireless Solutions Co., Ltd. Address of Manufacturer:

7th Floor, Hongye Building, No.1801 Hongmei Road, Xuhui District, Shanghai 200233, China Factory:

Quectel Wireless Solutions Co., Ltd. Address of Factory:

7th Floor, Hongye Building, No.1801 Hongmei Road, Xuhui District, Shanghai 200233, China 2.2 Test Location Company:

Address:

Post code:

Telephone:

Fax:

E-mail:

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch No. 1 Workshop, M-10, Middle section, Science & Technology Park, Shenzhen, Guangdong, China 518057

+86 (0) 755 2601 2053

+86 (0) 755 2671 0594 ee.shenzhen@sgs.com 2.3 Test Facility The test facility is recognized, certified, or accredited by the following organizations:

CNAS (No. CNAS L2929) CNAS has accredited SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch EMC Lab to ISO/IEC 17025:2005 General Requirements for the Competence of Testing and Calibration Laboratories

(CNAS-CL01 Accreditation Criteria for the Competence of Testing and Calibration Laboratories) for the competence in the field of testing. A2LA (Certificate No. 3816.01) SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory is accredited by the American Association for Laboratory Accreditation(A2LA). Certificate No. 3816.01. VCCI The 3m Fully-anechoic chamber for above 1GHz, 10m Semi-anechoic chamber for below 1GHz, Shielded Room for Mains Port Conducted Interference Measurement and Telecommunication Port Conducted Interference Measurement of SGS-CSTC Standards Technical Services Co., Ltd. have been registered in accordance with the Regulations for Voluntary Control Measures with Registration No.: G-20026, R-14188, C-12383 and T-11153 respectively. FCC Designation Number: CN1178 SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory has been recognized as an accredited testing laboratory. Designation Number: CN1178. Test Firm Registration Number: 406779. Industry Canada (IC) Two 3m Semi-anechoic chambers and the 10m Semi-anechoic chamber of SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch EMC Lab have been registered by Certification and Engineering Bureau of Industry Canada for radio equipment testing with Registration No.: 4620C-1, 4620C-2, 4620C-3. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: HR/2019/1001602 Page: 5 of 7 2.4 General Description of EUT EUT Description::

LTE Module Model No.:

Trade Mark:

Hardware Version:

Software Version:

Antenna Gain:

EG25-G, EG25-G MINIPCIE Quectel R1.0 EG25GGBR07A06M4G GSM850: 2.29dBi;

GSM1900:1.59dBi WCDMA BAND II:1.59dBi WCDMA BAND VI:2dBi WCDMA BAND V:2.29dBi LTE BAND 2:1.59dBi;

LTE BAND 4:2dBi;

LTE BAND 5:2.29dBi;

LTE BAND 7: 3dBi;

LTE BAND 12: 3.26dBi;

LTE BAND 13: 4.45dBi;

LTE BAND 25: 1.59dBi;

LTE BAND 26: 2.53dBi;

LTE BAND 38: 2.06dBi;

LTE BAND 41: 3dBi;

2.5 Test Mode Test Mode LTE/TM1 LTE/TM2 Test Modes Description LTE system, QPSK modulation LTE system, 16QAM modulation REMARK: The test mode(s) are selected according to relevant radio technology specifications. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: HR/2019/1001602 Page: 6 of 7 3 RF Exposure Evaluation 3.1 RF Exposure Compliance Requirement 3.1.1 Limits Frequency range Electric field strength Magnetic field strength Power density Averaging time

(MHz)

(V/m)

(A/m)

(mW/cm2)

(minutes) 0.3-3.0 3.0-30 30-300 300-1500 1500-100,000 0.3-1.34 1.34-30 30-300 300-1500 1500-100,000

(A) Limits for Occupational/Controlled Exposures 614 1842/f 61.4

/

/

1.63 4.89/f 0.163

/

/

*(100)

*(900/f2) 1.0 f/300 5

(B) Limits for General Population/Uncontrolled Exposure 614 824/f 27.5

/

/

1.63 2.19/f 0.073

/

/

*(100)

*(180/f2) 0.2 f/1500 1.0 6 6 6 6 6 30 30 30 30 30 F=frequency in MHz

*=Plane-wave equivalent power density RF exposure compliance will need to be determined with respect to 1.1307(c) and (d) of the FCC rules. The emissions should be within the limits at 300kHz in Table 1 of 1.1310(use the 300kHz limits for 150kHz:614V/m,1.63A/m). Friis Formula Friis transmission formula: Pd = (Pout*G)/(4* Pi * R 2) Where Pd = power density in mW/cm2 Pout = output power to antenna in mW G = gain of antenna in linear scale Pi = 3.1416 R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. 3.1.2 Test Procedure Software provided by client enabled the EUT to transmit data at lowest, middle and highest channel individually. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: HR/2019/1001602 Page: 7 of 7 3.1.3 EUT RF Exposure Evaluation Antenna Gain: The maximum Gain measured in fully anechoic chamber is 2.0 / 2.0 in linear scale. Output Power Into Antenna & RF Exposure Evaluation Distance:

Remark: Refer to report No. HR/2019/1001601 for EUT test Max Conducted Output Power value. OperatingBandFrequency(MHz)AntennaGain(dBi)MaxConductedAverageOutputPower(dBm)OutputPowertoAntenna(dBm)EIRP(ERP)Limit(dBm)OutputPowerto Antenna(mw)PowerDensityat R = 20cm(mW/cm2)Limit(mW/cm2)Gainaccordingto EIRP(dBi)Gainaccordingto Pd (dBi)Max GainAllowed(dBi)conclusionGSM850824.22.2925.8125.9538.45381.06580.12840.549514.798.608.60PassGSM19001850.21.5922.8124.4033.00190.98530.05481.000010.1914.2010.19PassWCDMA B21852.41.5925.0026.5933.00316.22780.09071.00008.0012.018.00PassWCDMA B41712.42.0025.0027.0030.00316.22780.09971.00005.0012.015.00PassWCDMA B5826.42.2925.0025.1438.45316.22780.10660.550915.609.429.42PassLTE B21850.71.5925.0026.5933.00316.22780.09071.00008.0012.018.00PassLTE B41710.72.0025.0027.0030.00316.22780.09971.00005.0012.015.00PassLTE B5824.702.2925.0025.1438.45316.22780.10660.549815.609.419.41PassLTE B72502.503.0025.0028.0033.00316.22780.12551.00008.0012.018.00PassLTE B12699.703.2625.0026.1134.77316.22780.13330.466511.928.708.70PassLTE B13779.504.4525.0027.3034.77316.22780.17530.519711.929.169.16PassLTE B251850.71.5925.0026.5933.00316.22780.09071.00008.0012.018.00PassLTE B26(814-824)814.72.5325.0025.3850.00316.22780.11260.543127.159.369.36PassLTE B26(824-849)824.72.5325.0025.3838.45316.22780.11260.549815.609.419.41PassLTE B382572.52.0625.0027.0633.00316.22780.10111.00008.0012.018.00PassLTE B412498.53.0025.0028.0033.00316.22780.12551.00008.0012.018.00Pass

RF Exposure Evaluation Report Report No. : FA8N2911 RF Exposure Evaluation Report APPLICANT

: Quectel Wireless Solutions Co., Ltd. EQUIPMENT

: LTE-A Cat 12 M.2 Module BRAND NAME

: Quectel MODEL NAME

: EM12-G FCC ID

: XMR201901EM12G STANDARD

: 47 CFR Part 2.1091 FCC KDB 447498 D01 v06 We, Sporton International (Kunshan) Inc., would like to declare that the device has been evaluated in accordance with 47 CFR Part 2.1091 and FCC KDB 447498 D01 v06, and pass the limit. Without written approval of Sporton International (Kunshan) Inc., the test report shall not be reproduced except in full. Approved by: Mark Qu / Manager Sporton International (Kunshan) Inc. No. 1098, Pengxi North Road, Kunshan Economic Development Zone, Jiangsu Province 215335, China Sporton International (Kunshan) Inc. TEL : 86-512-57900158 FAX : 86-512-57900958 FCC ID : XMR201901EM12G Page Number

: 1 of 11 Report Issued Date : Jan. 30, 2019 Report Version

: Rev. 01 RF Exposure Evaluation Report Report No. : FA8N2911 Table of Contents 1. ADMINISTRATION DATA ........................................................................................................................... 4 1.1. Testing Laboratory ............................................................................................................................. 4 2. DESCRIPTION OF EQUIPMENT UNDER TEST (EUT) ............................................................................. 5 3. MAXIMUM RF AVERAGE OUTPUT POWER AMONG PRODUCTION UNITS ........................................ 6 4. RF EXPOSURE LIMIT INTRODUCTION .................................................................................................... 7 5. RADIO FREQUENCY RADIATION EXPOSURE EVALUATION ............................................................... 8 5.1. Standalone Power Density Calculation ............................................................................................. 8 5.2. Collocated Power Density Calculation ............................................................................................... 9 Sporton International (Kunshan) Inc. TEL : 86-512-57900158 FAX : 86-512-57900958 FCC ID : XMR201901EM12G Page Number

: 2 of 11 Report Issued Date : Jan. 30, 2019 Report Version

: Rev. 01 RF Exposure Evaluation Report Report No. : FA8N2911 Revision History REPORT NO. VERSION DESCRIPTION ISSUED DATE FA8N2911 Rev. 01 Initial issue of report Jan. 30, 2019 Sporton International (Kunshan) Inc. TEL : 86-512-57900158 FAX : 86-512-57900958 FCC ID : XMR201901EM12G Page Number

: 3 of 11 Report Issued Date : Jan. 30, 2019 Report Version

: Rev. 01 RF Exposure Evaluation Report Report No. : FA8N2911 1. Administration Data 1.1. Testing Laboratory Test Site Sporton International (Kunshan) Inc. Testing Laboratory Test Site Location No. 1098, Pengxi North Road, Kunshan Economic Development Zone, Jiangsu Province 215335, China TEL : 86-512-57900158 FAX : 86-512-57900958 Company Name Quectel Wireless Solutions Co., Ltd. Applicant Address 7th Floor, Hongye Building, No.1801 Hongmei Road, Xuhui District, Shanghai 200233, China Company Name Quectel Wireless Solutions Co., Ltd. Manufacturer Address 7th Floor, Hongye Building, No.1801 Hongmei Road, Xuhui District, Shanghai 200233, China Sporton International (Kunshan) Inc. TEL : 86-512-57900158 FAX : 86-512-57900958 FCC ID : XMR201901EM12G Page Number

: 4 of 11 Report Issued Date : Jan. 30, 2019 Report Version

: Rev. 01 RF Exposure Evaluation Report Report No. : FA8N2911 2. Description of Equipment Under Test (EUT) Product Feature & Specification EUT Type Brand Name Model Name FCC ID IMEI Code LTE-A Cat 12 M.2 Module Quectel EM12-G XMR201901EM12G 869710030005957 Wireless Technology and Frequency Range Mode WCDMA Band II: 1852.4 MHz ~ 1907.6 MHz WCDMA Band IV: 1712.4 MHz ~ 1752.6 MHz WCDMA Band V: 826.4 MHz ~ 846.6 MHz LTE Band 2: 1850 MHz ~ 1910 MHz LTE Band 4: 1710 MHz ~ 1755 MHz LTE Band 5: 824 MHz ~ 849 MHz LTE Band 7: 2500 MHz ~ 2570 MHz LTE Band 12: 699 MHz ~ 716 MHz LTE Band 13: 777 MHz ~ 787 MHz LTE Band 14: 788 MHz ~ 798 MHz LTE Band 17: 704 MHz ~ 716 MHz LTE Band 25: 1850 MHz ~ 1915 MHz LTE Band 26: 814 MHz ~ 849 MHz LTE Band 30: 2305 MHz ~ 2315 MHz LTE Band 66: 1710 MHz ~ 1780 MHz LTE Band 38: 2570 MHz ~ 2620 MHz LTE Band 41: 2496 MHz ~ 2690 MHz RMC/AMR 12.2Kbps HSDPA HSUPA DC-HSDPA HSPA+ (16QAM uplink) LTE: QPSK/16QAM/64QAM/256QAM(Downlink only) HW Version SW Version EUT Stage R1.0 EM12GPAR01A08M4G Identical Prototype Remark: The above EUT's information was declared by manufacturer. Please refer to the specifications or user's manual for more detailed description. Sporton International (Kunshan) Inc. TEL : 86-512-57900158 FAX : 86-512-57900958 FCC ID : XMR201901EM12G Page Number

: 5 of 11 Report Issued Date : Jan. 30, 2019 Report Version

: Rev. 01 RF Exposure Evaluation Report Report No. : FA8N2911 3. Maximum RF average output power among production units

<WCDMA/LTE >

WCDMA LTE Mode Maximum Average power(dBm) Band II Band IV Band V Band 2 Band 4 Band 5 Band 7 Band 12 Band 13 Band 14 Band 17 Band 25 Band 26 Band 30 Band 38 Band 41 Band 66 24.00 24.00 24.00 24.50 24.50 24.50 24.50 24.50 24.50 24.50 24.50 24.50 24.50 20.50 24.50 24.50 24.50 Sporton International (Kunshan) Inc. TEL : 86-512-57900158 FAX : 86-512-57900958 FCC ID : XMR201901EM12G Page Number

: 6 of 11 Report Issued Date : Jan. 30, 2019 Report Version

: Rev. 01 RF Exposure Evaluation Report Report No. : FA8N2911 4. RF Exposure Limit Introduction According to ANSI/IEEE C95.1-1992, the criteria listed in Table 1 shall be used to evaluate the environmental impact of human exposure to radio frequency (RF) radiation as specified in 1.1310. The MPE was calculated at 20 cm to show compliance with the power density limit. The following formula was used to calculate the Power Density:

=

Where:

S = Power Density P = Output Power at Antenna Terminals G = Gain of Transmit Antenna (linear gain) R = Distance from Transmitting Antenna Sporton International (Kunshan) Inc. TEL : 86-512-57900158 FAX : 86-512-57900958 FCC ID : XMR201901EM12G Page Number

: 7 of 11 Report Issued Date : Jan. 30, 2019 Report Version

: Rev. 01 RF Exposure Evaluation Report Report No. : FA8N2911 5. Radio Frequency Radiation Exposure Evaluation 5.1. Standalone Power Density Calculation Band WCDMA Band II WCDMA Band IV WCDMA Band V LTE Band 2 LTE Band 4 LTE Band 5 LTE Band 7 LTE Band 12 LTE Band 13 LTE Band 14 LTE Band 17 LTE Band 25 LTE Band 26 LTE Band 30 LTE Band 38 LTE Band 41 LTE Band 66 Frequency

(MHz) Antenna Maximum Maximum Maximum Gain

(dBi) Power

(dBm) EIRP

(dBm) EIRP

(W) Power Average Density at Limit EIRP (mW) 20cm

(mW/cm^2)

(mW/cm^2) 1852.4 1712.4 826.4 1850.7 1710.7 824.7 2502.5 699.7 779.5 790.5 706.5 1850.7 814.7 2307.5 2572.5 2498.5 1710.7 7.00 5.00 6.00 7.00 5.00 6.00 7.00 5.00 5.00 5.00 5.00 7.00 6.00 4.00 7.00 7.00 5.00 24.00 31.000 1.259 1258.925 0.251 1.000 24.00 29.000 0.794 794.328 0.158 1.000 24.00 30.000 1.000 1000.000 0.199 0.551 24.50 31.500 1.413 1412.538 0.281 1.000 24.50 29.500 0.891 891.251 0.177 1.000 24.50 30.500 1.122 1122.018 0.223 0.550 24.50 31.500 1.413 1412.538 0.281 1.000 24.50 29.500 0.891 891.251 0.177 0.466 24.50 29.500 0.891 891.251 0.177 0.520 24.50 29.500 0.891 891.251 0.177 0.527 24.50 29.500 0.891 891.251 0.177 0.471 24.50 31.500 1.413 1412.538 0.281 1.000 24.50 30.500 1.122 1122.018 0.223 0.543 20.50 24.500 0.282 281.838 0.056 1.000 24.50 31.500 1.413 1412.538 0.281 1.000 24.50 31.500 1.413 1412.538 0.281 1.000 24.50 29.500 0.891 891.251 0.177 1.000 Note: For conservativeness, the lowest frequency of each band is used to determine the MPE limit of that band. Sporton International (Kunshan) Inc. TEL : 86-512-57900158 FAX : 86-512-57900958 FCC ID : XMR201901EM12G Page Number

: 8 of 11 Report Issued Date : Jan. 30, 2019 Report Version

: Rev. 01 RF Exposure Evaluation Report Report No. : FA8N2911 5.2. Collocated Power Density Calculation General Note:

1. This MPE analysis is applicable to any collocated transmitters with EIRP for WLAN/BT is less than or equal to 26dBm. 2. A maximum antenna gain of 6dBi for WLAN/BT has been assumed for all collocated antennas. Antenna Maximum Maximum EIRP

(dBm) Power Average Density at Limit EIRP (mW) 20cm

(mW/cm^2)

(mW/cm^2) Power Density

/ Limit Band Frequency

(MHz) WCDMA Band II WCDMA Band IV WCDMA Band V LTE Band 2 LTE Band 4 LTE Band 5 LTE Band 7 LTE Band 12 LTE Band 13 LTE Band 14 LTE Band 17 LTE Band 25 LTE Band 26 LTE Band 30 LTE Band 38 LTE Band 41 LTE Band 66 WLNA2.4GHz Band WLNA5GHz Band Bluetooth 1852.4 1712.4 826.4 1850.7 1710.7 824.7 2502.5 699.7 779.5 790.5 706.5 1850.7 814.7 2307.5 2572.5 2498.5 1710.7 2412 5180 2402 Gain

(dBi) 5.00 4.00 5.00 5.00 4.00 5.00 5.00 4.00 4.00 4.00 4.00 5.00 5.00 3.00 5.00 5.00 4.00 6.00 6.00 6.00 Power

(dBm) 24.00 24.00 24.00 24.50 24.50 24.50 24.50 24.50 24.50 24.50 24.50 24.50 24.50 20.50 24.50 24.50 24.50 20.00 20.00 20.00 29.0 794.33 0.158 1.000 0.158 28.0 630.96 0.126 1.000 0.126 29.0 794.33 0.158 0.536 0.295 29.5 891.25 0.177 1.000 0.177 28.5 707.95 0.141 1.000 0.141 29.5 891.25 0.177 0.549 0.323 29.5 891.25 0.177 1.000 0.177 28.5 707.95 0.141 0.466 0.302 28.5 707.95 0.141 0.518 0.272 28.5 707.95 0.141 0.525 0.268 28.5 707.95 0.141 0.469 0.300 29.5 891.25 0.177 1.000 0.177 29.5 891.25 0.177 0.543 0.327 23.5 223.87 0.045 1.000 0.045 29.5 891.25 0.177 1.000 0.177 29.5 891.25 0.177 1.000 0.177 28.5 707.95 0.141 1.000 0.141 26.0 398.11 0.079 1.000 0.079 26.0 398.11 0.079 1.000 0.079 26.0 398.11 0.079 1.000 0.079 Sporton International (Kunshan) Inc. TEL : 86-512-57900158 FAX : 86-512-57900958 FCC ID : XMR201901EM12G Page Number

: 9 of 11 Report Issued Date : Jan. 30, 2019 Report Version

: Rev. 01 RF Exposure Evaluation Report Report No. : FA8N2911

<Collocated analysis>

General Note:

1. For colocation analysis, LTE Band 26 is chosen for summation due to the highest (power density/limit) among all WWAN wireless modes. 2. (Power Density / Limit): This is a summation of [(power density for each transmitter/antenna included in the simultaneous transmission)/ (corresponding MPE limit)], for WWAN + WLAN + Bluetooth 3. Considering the WWAN module collocation with the other transmitters of the EIRP performance listed in the table above, the aggregated (power density /limit) is smaller than 1, and MPE of 3 collocated transmitters is compliant. Max WWAN Power Density

/ Limit 0.327 Max WLAN Power Density

/ Limit 0.079 Max Bluetooth Power Density

/ Limit 0.079

(Power Density / Limit) of WWAN + WLAN + Bluetooth 0.485 Sporton International (Kunshan) Inc. TEL : 86-512-57900158 FAX : 86-512-57900958 FCC ID : XMR201901EM12G Page Number

: 10 of 11 Report Issued Date : Jan. 30, 2019 Report Version

: Rev. 01 RF Exposure Evaluation Report Report No. : FA8N2911 Conclusion:

Based on 47 CFR 2.1091 and FCC KDB 447498 D01 v06, the analysis concludes that this product when transmitting in standalone within a host device, is compliant with the FCC RF exposure requirements in mobile exposure condition, provided the conducted power and antenna gain do not exceed the limits for each given frequency band per wireless technology as follow table:

Device Technology Frequency

(MHz) WCDMA Band II 1852.4 WCDMA Band IV 1712.4 WCDMA Band V 826.4 LTE-A Cat 12 M.2 Module LTE Band 2 LTE Band 4 LTE Band 5 LTE Band 7 LTE Band 12 LTE Band 13 LTE Band 14 LTE Band 17 LTE Band 25 LTE Band 26 LTE Band 30 LTE Band 38 LTE Band 41 LTE Band 66 1850.7 1710.7 824.7 2502.5 699.7 779.5 790.5 706.5 1850.7 814.7 2307.5 2572.5 2498.5 1710.7 Collocated Transmitters WLNA2.4GHz Band 2412 WLNA5GHz Band Bluetooth 5180 2402 Maximum Standalone Collocated Conducted Power Maximum Antenna Maximum Antenna

(dBm) 24.00 24.00 24.00 24.50 24.50 24.50 24.50 24.50 24.50 24.50 24.50 24.50 24.50 20.50 24.50 24.50 24.50 20.00 20.00 20.00 Gain (dBi) Gain (dBi) 7.00 5.00 6.00 7.00 5.00 6.00 7.00 5.00 5.00 5.00 5.00 7.00 6.00 4.00 7.00 7.00 5.00 5.00 4.00 5.00 5.00 4.00 5.00 5.00 4.00 4.00 4.00 4.00 5.00 5.00 3.00 5.00 5.00 4.00 6.00 6.00 6.00 Sporton International (Kunshan) Inc. TEL : 86-512-57900158 FAX : 86-512-57900958 FCC ID : XMR201901EM12G Page Number

: 11 of 11 Report Issued Date : Jan. 30, 2019 Report Version

: Rev. 01

Tel: (403) 248-0028 Fax: (403) 248-2762 E-mail: info@microhardcorp.com www.microhardcorp.com Leaders in Wireless Telecom Modular Approval Request Applicant: Microhard Systems Inc. FCC ID: NS9PMXDDL2450 June 1 2022 To Whom It May Concern:

Pursuant to Section 15.212(a)(1) of the FCC rules, the Applicant, request for single modular approval, compliance with the requirements are addressed below. Single Modular Approval Requirements Justification The modular transmitter has its own RF shielding The modular transmitter has buffered modulation/data inputs The modular transmitter has its own analog and digital power supply regulation. The radio and its associated antennas are provided with the special coupling antenna connectors The modular transmitter was tested in a stand-alone configuration

(i) The radio elements of the modular transmitter must have their own shielding. The physical crystal and tuning capacitors may be located external to the shielded radio elements.

(ii) The modular transmitter must have buffered modulation/data inputs (if such inputs are provided) to ensure that the module will comply with part 15 requirements under conditions of excessive data rates or over-modulation.

(iii) The modular transmitter must have its own power supply regulation.

(iv) The modular transmitter must comply with the antenna and transmission system requirements of 15.203, 15.204(b) and 15.204(c). The antenna must either be permanently attached or employ a unique antenna coupler (at all connections between the module and the antenna, including the cable). The professional installation provision of 15.203 is not applicable to modules but can apply to limited modular approvals under paragraph (b) of this section.

(v) The modular transmitter must be tested in a stand-alone configuration, i.e., the module must not be inside another device during testing for compliance with part 15 requirements. Unless the transmitter module will be battery powered, it must comply with the AC line conducted requirements found in 15.207. AC or DC power lines and data input/output lines connected to the module must not contain ferrites, unless they will be marketed with the module (see 15.27(a)). The length of these lines shall be the length typical of actual use or, if that length is unknown, at least 10 centimeters to insure that there is no coupling between the case of the module and supporting equipment. Any accessories, peripherals, or support equipment connected to the module during testing shall be unmodified and commercially available (see 15.31(i)). Tel: (403) 248-0028 Fax: (403) 248-2762 E-mail: info@microhardcorp.com www.microhardcorp.com Leaders in Wireless Telecom A Label is attached to the device showing the FCC ID of the device. The manual includes End Device labeling instructions.

(vi) The modular transmitter must be equipped with either a permanently affixed label or must be capable of electronically displaying its FCC identification number.

(A) If using a permanently affixed label, the modular transmitter must be labeled with its own FCC identification number, and, if the FCC identification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following:

Contains Transmitter Module FCC ID: XYZMODEL1 or Contains FCC ID: XYZMODEL1. Any similar wording that expresses the same meaning may be used. The Grantee may either provide such a label, an example of which must be included in the application for equipment authorization, or, must provide adequate instructions along with the module which explain this requirement. In the latter case, a copy of these instructions must be included in the application for equipment authorization.

(B) If the modular transmitter uses an electronic display of the FCC identification number, the information must be readily accessible and visible on the modular transmitter or on the device in which it is installed. If the module is installed inside another device, then the outside of the device into which the module is installed must display a label referring to the enclosed module. This exterior label can use wording such as the following: Contains FCC certified transmitter module(s). Any similar wording that expresses the same meaning may be used. The user manual must include instructions on how to access the electronic display. A copy of these instructions must be included in the application for equipment authorization.

(vii) The modular transmitter must comply with any specific rules or operating requirements that ordinarily apply to a complete transmitter and the manufacturer must provide adequate instructions along with the module to explain any such requirements. A copy of these instructions must be included in the application for equipment authorization. End-users must comply with the following instruction sated in the users manual:

Labeling requirement for equipment using this modular transmitter. RF Exposure Warning for compliance with FCC Rules 2.1091 and 1.1307 when the radio is used in a mobile or base system

(viii) The modular transmitter must comply with any applicable RF exposure requirements in its final configuration. The module complies with the requirements for a mobile device. Refer to the RF Exposure test report submitted with this application. The EUT is compliant with all applicable RF exposure requirements. Refer to RF Exposure exhibit. See manual for details and limits. Hany Shenouda Director of Engineering Microhard Systems Inc.

Tel: (403) 248-0028 Fax: (403) 248-2762 E-mail: info@microhardcorp.com www.microhardcorp.com June 1 2022 Leaders in Wireless Telecom To Whom It May Concern Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date:

SUBJECT: FCC Application for FCC ID: NS9PMXDDL2450 To Whom It May Concern:

We, the undersigned, hereby attest to the fact that we will apply the Supplier's Declaration of Conformity

(SDoC) procedure pursuant to Part 15, Subpart B - Unintentional Radiators, portion of this composite filing. Regards, Hany Shenouda Director of Engineering Microhard Systems Inc.

Tel: (403) 248-0028 Fax: (403) 248-2762 E-mail: info@microhardcorp.com www.microhardcorp.com Leaders in Wireless Telecom June 1, 2022 FEDERAL COMMUNICATIONS COMMISSION 7435 Oakland Mills Road Columbia, MD 21046 U.S.A. Subject: Attestation to use Original Test Reports in New Filing Applicant:

Product:

FCC ID:

IC:

Microhard Systems Inc. 2X2 MIMO 2.4 GHz OEM DDL Module (1W) NS9PMXDDL2450 3143A-PMXDDL2450 Dear Sir/Madam, We, Microhard Systems Inc., hereby attest to the fact that the transmitter module(s) report(s) listed below, used in support of the co-location RF exposure evaluation accurately represent test results under the new conditions. The integration of the module in co-location configurations will adhere to conditions of the original filing. Associated FCC ID Associated IC ID Test Report Identifiers FCC ISED EC25 XMR201808EC25AF 10224A-2018EC25AF R1806A0301-M1V3 R1806A0301-M2V2 EG25 XMR201903EG25G 10224A-201903EG25G HR/2019/1001602 HR/2019/1001604 BG95 XMR201910BG95M3 10224A-2019BG95M3 R2006A0361-M1V1 R2006A0362-M1V1 EM12 XMR201901EM12G 10224A-201901EM12G FA8N2911 CA8N2911 Yours truly, Hany Shenouda Director of Engineering Microhard Systems Inc.