FCC ID: 2ADHKR34M Low Power LoRa Sub-1GHz Module

WLR089U0/WLR089UC Regulatory Compliance Information Revision 0.0 Jul 2020 Revision 0.0 (07/2020) Preliminary This document covers the Regulatory Compliance information which will be part of the WLR089U0/WLR089UC datasheet and related documents shared with customers. 1.1 Antenna Considerations:

Table 1-1 provides the list of Approved antennas along with the manufacturer and part number details. Part Number Manufacturer Antenna type Cable Length/Remarks RFA-S1-C55H1-

150D034 TH-89F-150mm-IPEX GWF-152XMPXX-H015 ALEAD technology BJTEK NAVIGATION,INC

. Joymax Electronics Co., Ltd Antenna Gain @

915 MHz Band 2.0dBi 1.5dBi 2dBi half-wave dipole half-wave dipole half-wave dipole 150mm 150mm 153mm GWF-152XRSXX-H015 Joymax Electronics Co., Ltd 2dBi half-wave dipole 6610D13081-100 Kinsun 2dBi 6610C03061 Kinsun 2dBi half-wave dipole half-wave dipole RFDPA131015IMBB301 PSA Walsin technology Corporation 0.90 dBi half-wave dipole RFA-ZW-C55-B-RP-

D034 ALEAD technology 2.0dBi half-wave dipole Note:

Antenna has 156mm cable with RP-SMA plug and RP-SMA receptacle to u.FL cable of length 50mm used as adapter (Refer note 1 and 2) 100mm RP-SMA receptacle to u.FL cable of length 203.20mm used as adapter (Refer note 1 and 2) 150mm RP-SMA receptacle to u.FL cable of length 203.20mm used as adapter (Refer note 1 and 2) 1 Preliminary Revision 0.0 (07/2020) 1) If the end-product using the Module is designed to have an antenna port that is accessible to the end-user then a unique antenna connector (as permissible by FCC) must be used (e.g. RP (Reverse Polarity)-SMA socket). 2) If an RF coaxial cable is used between the module RF output and the enclosure, then a unique antenna connector must be used in the enclosure wall for interface with antenna. 1.2 WLR089U0/WLR089UC Usage Instructions under Modular Approval For USA/Canada, the module has been certified for the modulation modes listed below. The user must ensure that the module will only work on the 902-928 MHz frequency band and with one of the modulation modes listed below, when used in USA and Canada. Operating Channels:

500kHz BW:

903MHz ~ 927.5MHz o 8 Uplink Channels, Channel Spacing 1.6MHz o 8 Downlink Channels, Channel Spacing 0.6MHz 125kHz BW:

o 902.3MHz ~ 927.5MHz 64 Channels, Channel Spacing 200kHz o 902.3MHz ~ 927.3 MHz 26 Channels, Channel Spacing 1MHz Modulation: LoRa Spreading Factor:

500kHz BW: 7~12 125kHz BW: 7~10 The host product manufacturer must ensure that the RF behavior adheres to the certification (e.g. FCC, ISED) requirements when the module is installed in the final host product. The availability of some specific channels and/or operational frequency bands are country dependent and should be programmed at the Host product factory to match the intended destination. Regulatory bodies prohibit exposing the settings to the end user. This requirement needs to be taken care of via Host implementation. The Host product manufacturer must ensure that the RF behavior adheres to the certification (e.g. FCC, ISED) requirements when the module is installed in the final Host product. 1.4 Host Board Top Layer Instructions:

Revision 0.0 (07/2020) 2 Preliminary The top layer (underneath the module) of the host PCB must be ground with as many GND vias as possible. 2 WLR089U0/WLR089UC Usage Instructions under Modular Approval The WLR089U0 module has received regulatory approval for the following countries:

The WLR089UC module has received regulatory approval for the following countries:

United States/FCC ID: 2ADHKR34M Canada/ISED:

IC: 20266-R34M HVIN: WLR089U0 PMN: WLR089U United States/FCC ID: 2ADHKR34M Canada/ISED:

IC: 20266-R34M HVIN: WLR089UC PMN: WLR089U 2.1 United States The WLR089U0/WLR089UC module has received Federal Communications Commission (FCC) CFR47 Telecommunications, Part 15 Subpart C Intentional Radiators single-modular approval in accordance with Part15.212 Modular Transmitter approval. Single-modular transmitter approval is defined as a complete RF trans-

mission sub-assembly, designed to be incorporated into another device, that must demonstrate compliance with FCC rules and policies independent of any host. A transmitter with a modular grant can be installed in different end-use products (referred to as a host, host product, or host device) by the grantee or other equipment manufacturer, then the host product may not require additional testing or equipment authorization for the transmitter function provided by that specific module or limited module device. The user must comply with all of the instructions provided by the Grantee, which indicate installation and/or operating conditions necessary for compliance. The host product itself is required to comply with all other applicable FCC equipment authorizations regulations, requirements and equipment functions that are not associated with the transmitter module portion. For example, compliance must be demonstrated: to regulations for other transmitter components within a host product; to requirements for unintentional radiators(Part 15 Subpart B), such as digital devices, computer peripherals, radio receivers, etc.; and to additional authorization requirements for the non-transmitter functions on the transmitter module (i.e., Suppliers Declaration of Conformity (SDoC) or certification) as appropriate (for example, Bluetooth and Wi-Fi transmitter modules may also contain digital logic functions). 2.1.1 LABELING AND USER INFORMATION REQUIREMENTS The WLR089U0/WLR089UC module has been labeled with its own FCC ID number, and if the FCC ID is not visible when the module is installed inside another device, then the outside of the finished product into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wordings follows:

For the WLR089U0/WLR089UC Contains Transmitter Module FCC ID: 2ADHKR34M or Revision 0.0 (07/2020) 3 Preliminary Contains FCC ID: 2ADHKR34M 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 A users manual for the product must include the following statement:

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio/TV technician for help Additional information on labeling and user information requirements for Part 15 devices can be found in KDB Publication 784748, which is available at the FCC Office of Engineering and Technology

(OET) Laboratory Division Knowledge Database (KDB) https://apps.fcc.gov/oetcf/kdb/index.cfm 2.1.2 RF EXPOSURE All transmitters regulated by FCC must comply with RF exposure requirements. KDB 447498 General RF Exposure Guidance provides guidance in determining whether proposed or existing transmitting facilities, operations or devices comply with limits for human exposure to Radio Frequency (RF) fields adopted by the Federal Communications Commission (FCC). From the FCC Grant: Output power is conducted. This grant is valid only when the module is sold to OEM integrators and must be installed by the OEM or OEM integrators. This transmitter is restricted for use with the specific antenna(s) tested in this application for Certification. The antenna(s) used with this transmitter must be installed to provide a separation distance of at least 20 mm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. Users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. 2.1.3 APPROVED EXTERNAL ANTENNAS To maintain modular approval in the United States, only the antenna types that have been tested shall be used. It is permissible to use different antenna, provided the same antenna type, antenna gain

(equal to or less than), with similar in-band and out of band characteristics (refer to specification sheet for cutoff frequencies). For WLR089U0/WLR089UC, Testing was performed with the antenna types listed in table mentioned in the Table 1-1. 2.1.4 MODULE INTEGRATION IN THE HOST PRODUCT Host products are to ensure continued compliance as per KDB 996369 Module Integration Guide. 2.1.5 HELPFUL WEB SITES Federal Communications Commission (FCC): https://www.fcc.gov/

FCC Office of Engineering and Technology (OET) Laboratory Division Knowledge Database (KDB):

https://apps.fcc.gov/oetcf/kdb/index.cfm Revision 0.0 (07/2020) 4 Preliminary 2.2 Canada The WLR089U0/WLR089UC module has been certified for use in Canada under Innovation, Science and Economic Development Canada (ISED, formerly Industry Canada) Radio Standards Procedure

(RSP) RSP-100, Radio Standards Specification (RSS) RSS-Gen and RSS-247. Modular approval permits the installation of a module in a host device without the need to recertify the device. 2.2.1 LABELING AND USER INFORMATION REQUIREMENTS Labeling Requirements (from RSP-100, Issue 12, Section 5): The host product shall be properly labeled to identify the module within the host device. The Innovation, Science and Economic Development Canada certification label of a module shall be clearly visible at all times when installed in the host product, otherwise the host device must be labeled to display the Innovation, Science and Economic Development Canada certification number of the module, preceded by the word Contains, or similar word expressing the same meaning, as follows:

For the WLR089U0/WLR089UC:

Contains IC: 20266-R34M User Manual Notice for License-Exempt Radio Apparatus (from Section 8.4 RSS-Gen, Issue 5, March 2019): User manuals for license-exempt radio apparatus shall contain the following or equivalent notice in a conspicuous location in the user manual or alternatively on the device or both:

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. 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. Transmitter Antenna (From Section 6.8 RSS-GEN, Issue 5, March 2019): User manuals, for transmitters shall display the following notice in a conspicuous location:

This radio transmitter [IC: 20266- R34M] has been approved by Innovation, Science and Economic Development Canada to operate with the antenna types listed above, 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: 20266- R34M] 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. Immediately following the above notice, the manufacturer shall provide a list of all antenna types which can be used with the transmitter, indicating the maximum permissible antenna gain (in dBi) and the required impedance for each antenna type. 2.2.2 RF EXPOSURE All transmitters regulated by the Innovation, Science and Economic Development Canada (ISED) must comply with RF exposure requirements listed in RSS-102 - Radio Frequency (RF) Exposure Compliance of Radio communication Apparatus (All Frequency Bands). This transmitter is restricted for use with a specific antenna tested in this application for certification, and must not be co-located or operating in conjunction with any other antenna or transmitters, except Revision 0.0 (07/2020) 5 Preliminary in accordance with Innovation, Science and Economic Development Canada multi-transmitter guidelines. The module antenna must be installed to meet the RF exposure compliance separation distance of 35 mm and any additional testing and authorization process as required. The host integrator installing this module into their product must ensure that the final composite product complies with the ISED requirements by a technical assessment. L'antenne du module doit tre install pour rpondre la conformit en matire d'exposition RF distance de sparation de 35 "mm" et tout d'autres tests et processus d'autorisation au besoin. L'hte integrator l'installation de ce module dans leur produit final doit s'assurer que le produit est conforme la composite Exigences ISED par une valuation technique. 2.2.3 APPROVED EXTERNAL ANTENNAS For WLR089U0/WLR089UC, the testing was performed with the antenna types listed in table mentioned in the Table 1-1. 2.2.4 HELPFUL WEBSITES Innovation, Science and Economic Development Canada (ISED): http://www.ic.gc.ca/

Revision 0.0 (07/2020) 6 Preliminary

WLR089U0 = ode! Number / HVIN FCC ID: 2ADHKR34M IC: 20266-R34M YYWWNNN=mn Date Code WLROS9UC 4 VlOdel number / HVIN FCC ID: 2ADHKR34M IC: 20266-R34M YYWWNNN Ge ate Code

Authority to Act as Agent Date: 26 May 2020 TUV Rheinland Group 762 Park Avenue Youngsville, NC 27596 To Whom It May Concern:

I appoint TV Rheinland Taiwan Ltd. to act as our agent in the preparation of this application for equipment certification. I certify that submitted documents properly describe the device or system for which equipment certification is sought. I also certify that each unit manufactured, imported or marketed, as defined in the FCC or Industry Canadas regulations will have affixed to it a label identical to that submitted for approval with this application. For instances where our authorized agent signs the application for certification on our behalf, I acknowledge that all responsibility for complying with the terms and conditions for Certification, as specified by TUV Rheinland Group, still resides with Microchip Technology Inc. / 2355 West Chandler Blvd., Chandler, AZ 85224-6199, USA For TCB applications, We certify that we are not subject to denial of federal benefits, that includes FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C. 862. Further, no party, as defined in 47 CFR 1.2002 (b), to the application is subject to denial of federal benefits, that includes FCC benefits. Agency Agreement Expiration Date:

Permanent Thank you, By

(Signature) Steve Caldwell

(Print Name) Title Vice President Telephone

480-792-7464 On behalf of

Microchip Technology Inc.

(Company Name) Microchip Technology Incorporated 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Main Office 480-792-7200 Fax 480-899-9210

Confidentiality Letter Date: 15 Jul 2020 Subject: Confidentiality Request for FCC ID: 2ADHKR34M and IC: 20266-R34M ;

Pursuant to FCC 47 CRF 0.457(d) and 0.459 and IC RSP-100, Section 10, the applicant requests that a part of the subject FCC/IC application be held confidential. Type of Confidentiality Requested Short Term Short Term Short Term Short Term Short Term Short Term Short Term Short Term Permanent Permanent Permanent Permanent Permanent Permanent Exhibit Block Diagrams External Photos Internal Photos Operation Description/Theory of Operation Part List/Tune-Up Procedure Schematics Test Setup Photos Users Manual Microchip Technology Inc. has spent substantial effort in developing this product and it is one of the first of its kind in industry. Having the subject information easily available to "competition" would negate the advantage they have achieved by developing this product. Not protecting the details of the design will result in financial hardship. Permanent Confidentiality:

The applicant requests the exhibits listed above as permanently confidential be permanently withheld from public review due to materials that contain trade secrets and proprietary information not customarily released to the public. Short-Term Confidentiality:

The applicant requests the exhibits selected above as short term confidential be withheld from public view for a period of 180 days from the date of the Grant of Equipment Authorization and prior to marketing. This is to avoid premature release of sensitive information prior to marketing or release of the product to the public. Applicant is also aware that they are responsible to notify TUV Rheinland in the event information regarding the product or the product is made available to the public. TUV Rheinland will then release the documents listed above for public disclosure pursuant to FCC Public Notice DA 04-

1705. Sincerely, By:

Vice President

(Signature/Title) Steve Caldwell

(Print name) Microchip Technology Incorporated 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Main Office 480-792-7200 Fax 480-899-9210

28-Jul-20 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Certification and Engineering Bureau 3701 Carling Avenue (Building 94) ISED Canada Ottawa, Ontario K2H 8S2 FCC ID: 2ADHKR34M, IC ID: 20266-R34M Models: WLR089U0, WLR089UC Declaration on Similarity We herewith confirm that the RF Transmitter Module is Electrically Identical for the models listed above. Both models are identical to each other in the circuit design, PCB layout and use of component sources except for the change highlighted in table below. The output power configuration is fixed by software settings; No change in the RF section of the SiP. The Trust&GO/Flex is a pre-configured and pre-provisioned secure element of Microchips family of security focused devices. The module variants integrate Trust&GO/Flex option. Model No. Module Description WLR089U0 Module with u.FL Connector for External Antenna WLR089UC Module with u.FL Connector for External Antenna and Trust&GO/Flex ___________________

(Signature) Steve Caldwell/ Vice President

(Printed) Microchip Technology Incorporated 2355 West Chandler Blvd. Chandler, AZ 85224-6199 Main Office 480-792-7200 Fax 480-899-9210

Applicant/Grantee Microchip Technology Inc. FCC ID:

2ADHKR34M X Request for Modular Approval Request for Limited Modular Approval Requirements Device Conditions Comply (Y/N) Section 15.212 Modular Transmitters /

Single Modular Approval Requirements The radio elements must have the radio frequency circuitry must be shielded. Physical/discrete and tuning capacitors may be located external to the shield, but must be on the module assembly. The module shall have buffered modulation/data input(s) (if such inputs are provided) to ensure that the module will comply with the requirements set out in the applicable RSS standard under conditions of excessive data rates or over-modulation. The module shall have its own power supply regulation on the module. This is to ensure that the module will comply with the requirements set out in the applicable standard regardless of the design of the power supplying circuitry in the host device which houses the module. Requirements set out in the applicable standard regardless of the design of the power supplying circuitry in the host device which houses the module. The module shall comply with the provisions for external power amplifiers and antennas detailed in this standard. The Equipment certification submission shall contain a detailed description of the configuration of all antennas that will be used with the module. The module shall be tested for compliance with the applicable standard in a stand-

alone configuration, i.e. the module must not be inside another device during testing. The module has its own RF shielding. Shield Can is employed on the board structure, please see exhibition External Photo, the emission measurement was conducted without further shielding added. All modulation and data input(s) are Buffered on the EUT. These are integrated on the RF chip The EUT and the RF SiP (System in package) has integrated LDOs to provide the required core voltages for RF sections including both Transmitter and Receiver sections. Includes different antenna assemblies in the list, it is connected by an u.FL connector based cable to EUT. The modular transmitter was tested in a stand-alone configuration. See Setup Photos. The module shall comply with the Category I equipment labelling requirements. In the exhibition OEM manual, there are Instructions given to the OEM on how to label the end product. See Label Exhibit. 1 2 3 4 5 6 Y Y Y Y Y Y The modular transmitter complies with all specific rules or operating requirements that ordinarily apply to a complete transmitter and the manufacturer will provide adequate instructions along with the module to explain any such requirements. A copy of these instructions is included in this application for equipment authorization:

Address compliance with the Commission's RF exposure limits in Sections 1.1310 and 2.1093. In addition, spread spectrum transmitters operating under Section 15.247 are required to address RF exposure compliance in accordance with Section 15.247(b)(4). 7 8a Instructions in User Manual Please refer the Maximum Permissible Exposure Information. Y Y A limited modular approval may be granted for single or split modular transmitters that do not comply with all of the above requirements, e.g., shielding, minimum signaling amplitude, buffered modulation/data inputs, or power supply regulation, if the manufacturer can demonstrate by alternative means in the application for equipment authorization that the modular transmitter meets all the applicable Part 15 requirements under the operating conditions in which the transmitter will be used. Limited modular approval also may be granted in those instances where compliance with RF exposure rules is demonstrated only for particular product configurations. The applicant for certification must state how control of the end product into which the module will be installed will be maintained such that full compliance of the end product is always ensured. Signature Name/Title: Steve Caldwell / Vice President, Wireless Solutions Group Company Name: Microchip Technology Inc. Date: 15 Jul 2020