FCC ID: 2AOKI-WFM38GUTH1 WiFi Module

AI-Link WF-M38G-UTH1 WiFi Module Features Reserving System IEEE Std. 802.11b IEEE Std. 802.11g IEEE Std. 802.11n Bluetooth 2.1+EDR,4.2 LE,5.0 Chip Solution MT7638GU Band Model Overview 2.4G Model Standard Rate WF-M38G-UTH1 IEEE 802.11b/g/n 300Mbps Bluetooth 5.0 3Mbps Sichuan AI-Link Technology Co.,Ltd Add: Anzhou, Industrial park, Mianyang, Sichuan, China Fax : +86-0816-2416943 http://www.changhong.com Channe l 2.4G 2.4G POWER 3.3V Sichuan AI-Link Technology Co., Ltd. page 1 of 8 1. Introduction WF-M38G-UTH1 is based on MT7638GU,complied with IEEE 802.11b/g/n dual-band WIFI subsystem and a Bluetooth subsystem.. 1.1 RF module Overview The general HW architecture for the module is shown in Figure 1. This WLAN Module design is based on MTK MT7638GU. It is a highly integrated single-chip MIMO(Multiple In Multiple Out) Wireless LAN

(WLAN) USB2.0 network interface controllercomplying with the 802.11n specification. It combines a MAC, a 2T2R capable baseband,and RF in a single chip. The MT7638GU provides a complete solution for a highthroughput performance wireless client.The Bluetooth subsystem contains the Bluetooth radio,baseband,link controller.It also uses the 32-bit RISC MCU for the Bluetooth protocols. Figure 1 WF-M38G-UTH1 Block Diagram 1.2 Specification reference This specification is based on additional references listed below. _ IEEE Std. 802.11b _ IEEE Std. 802.11g _ IEEE Std. 802.11n 1.3 System Functions Table1: General Specification as below:

Standard Interface ANT Modulation IEEE 802.11 b/g/n Bluetooth 2.1+EDR,4.2 LE,5.0 USB 2.0 2T2R 802.11b:DBPSK,DQPSK,CCK for DSSS 802.11g:BPSK,QPSK,16QAM,64QAM for OFDM 802.11n:BPSK,QPSK,16QAM,64QAM for OFDM BT:GFSK/DQPSK/8DPSK BLE: GFSK Sichuan AI-Link Technology Co., Ltd. page 2 of 8 Operating Frequency TX Power Frequency offset EVM RX Sensitivity Channel Operation Voltage 2.400 ~ 2.4835 GHz, WiFi:

11b: 17 +/- 1.5dBm (11Mbps) 11g: 15 +/- 1.5dBm (54Mbps) 11n: 18 +/- 1.5dBm (MCS7 HT20) 11n: 18 +/- 1.5dBm (MCS7 HT40) BT:

DH5,Class 1(5dBm Typical)

+-15PPM 11b @ 11Mbps: (Max.) : 35%, (Typical) : 6%

11g @ 54Mbps: (Max.) : -25dB , (Typical) : -30dB 11n @ MCS7 (2.4G): (Max.) : -28dB, (Typical) : -32dB 11n @ MCS7 (2.4G): (Max.) : -28dB, (Typical) : -32dB WiFi:

11b @ 11Mbps: (Max.) : -85dBm , (Typical) : -86dBm (PER<8%) 11g @ 54Mbps: (Max.) : -65dBm , (Typical) : -73dBm (PER<10%) 11n @ MCS7 (2.4GHT20): (Max.) : -64dBm , (Typical) : -71dBm

(PER<10%) 11n @ MCS7 (2.4GHT40): (Max.) : -61dBm , (Typical) : -68dBm

(PER<10%) BT:

GFSK: typical -93dBm

/4 DQPSK: typical -93dBm 8DPSK: typical -87dBm

-97 dBm(BLE) 2.4GHzCH1-CH11 3.3V+/-0.1%

WIFI BT Power consumption ANT Operation 2.4G gain 2dBi

-10 to +70 Sichuan AI-Link Technology Co., Ltd. page 3 of 8 Temperature Storage Temperature Hardware version Software version

-40 to +125 JUI7.820.0575 customer_package 2. Mechanical Specification Typical Dimension (W x L x T): 30.0mmx 45.0mm x 4.15mm PCB Thickness: 0.8mm no 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Defintion GND GND GND BT_WAKE WIFI_WAKE RESET GND DP DW GND 3.3V 3.3V GND GND GND NOTE GND GND GND BT_WAKE WIFI_WAKE RESET GND USB D+

USB D-

GND Power supply Power supply GND GND GND Sichuan AI-Link Technology Co., Ltd. page 4 of 8 3. Product Picture Top view Bottom view Noet: No marked size tolerance: 0.3mm 7Statement ACE Statement Herby, Sichuan AI-Link Technology Co., Ltd. declares that this WiFi ModuleWF-M68A-UWF1 is in compliance with the essential requirements and other relevant provisions of Directive 2014/53/EU. In accordance with Article 10(2) and Article 10(10), this product allowed to be used in all EU member states. Use t WiFi Module in the environment with the temperature between -10 and 70 Operation Frequency:

For BT/BLE: 2402MHz~2480MHz For 2.4G WIFI:

2412MHz~2472MHz (802.11b/802.11g/802.11n(HT20)) 2422MHz~2462MHz (802.11n(HT40)) Max output power: WIFI: 0.0767W BT: 0.0048W BLE: 0.0039W Manufacturer: Sichuan AI-Link Technology Co., Ltd. Address: Anzhou, Industrial park, Mianyang, Sichuan, China Tel: +86- 0816-2438701 Fax: +86- 0816-2438701 E-mail: caixia.hu@changhong.com BFCC Statement FCC standards: FCC CFR Title 47 Part 15 Subpart C Section 15.247 For BT/BLE: FPC antenna with Gain 2dBi For 2.4G WIFI: Integral Antenna with Gain 2dBi Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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:

Sichuan AI-Link Technology Co., Ltd. page 5 of 8

-- 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 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. If power exceeds the limit and the distanceOver 20cm distance in actual use between the device and user is compliant with the requirement FCC RF Radiation Exposure Statement:

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with a minimum distance of 20cm between the radiator and any part of your body. Notice to OEM integrator If the FCC ID 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. The end product shall haves the words Contains Transmitter Module FCC ID: 2AOKI-WFM38GUTH1. The device must be professionally installed The intended use is generally not for the general public. It is generally for industry/commercial use. The connector is within the transmitter enclosure and can only be accessed by disassembly of the transmitter that is not normally required. The user has no access to the connector. Installation must be controlled. Installation requires special training Any company of the host device which installs this modular with unlimited modular approval should perform the test of radiated & conducted emission and spurious emission, etc. according to FCC part 15C: 15.247 and 15.209

& 15.207, 15B Class B requirement, only if the tests result comply with FCC part 15C: 15.247 and 15.209 &

15.207, 15B Class B requirement, then the host can be sole legally When the module is installed inside another device, the user manual of the hose contain below warning statement:

1) This device may not cause harmful interference. 2) This device must accept any interference received, including interference that may cause undesired operation. CIC Statement This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canadas licence-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. The term IC: before the certification/registration number only signifies that the Industry Canada technical specifications were met. This product meets the applicable Industry Canada technical specifications. Cet appareil contient des metteurs / rcepteurs exempts de licence conformes aux RSS (RSS) d'Innovation, Sciences et Dveloppement conomique Canada. L'exploitation est autorise aux deux conditions suivantes : (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible d'en compromettre le fonctionnement. L'metteur/rcepteur exempt de licence contenu dans le prsent appareil est conforme aux CNR d'Innovation, Sciences et Dveloppement conomique Canada applicables aux appareils radio exempts de licence. L'exploitation est autorise aux deux conditions suivantes :

1)L'appareil ne doit pas produire de brouillage;

2)L'appareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible d'en compromettre le fonctionnement. Please notice that if the ISED certification 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 IC: 23460-WFM38GUTH1 any similar wording that expresses the same meaning may be used. l'appareil hte doit porter une tiquette donnant le numro de certification du module d'Industrie Canada, prcd des mots Contient un module d'mission , du mot IC: 23460-WFM38GUTH1 ou d'une formulation similaire exprimant le mme sens, comme suit The device meets the exemption from the routine evaluation limits in section 2.5 of RSS 102 and compliance with Sichuan AI-Link Technology Co., Ltd. page 6 of 8 RSS-102 RF exposure, users can obtain Canadian information on RF exposure and compliance. Le dispositif rencontre l'exemption des limites courantes d'valuation dans la section 2.5 de RSS 102 etla conformit l'exposition de RSS-102 rf, utilisateurs peut obtenir l'information canadienne surl'exposition et la conformit de rf. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body. Cet metteur ne doit pas tre Co-plac ou ne fonctionnant en mme temps qu'aucune autre antenne oumetteur. Cet quipement devrait tre install et actionn avec une distance minimum de 20 centimtres entre le radiateur et votre corps. Sichuan AI-Link Technology Co., Ltd. page 7 of 8

Label Artwork and Location Model: WF-M38G-UTH1 Label:

Size: L*W=19*17mm Location

Sichuan AI-Link Technology Co., Ltd. Agent Authorization Company: Sichuan AI-Link Technology Co., Ltd. Address: Anzhou, Industrial park, Mianyang, Sichuan 622650, China Product Name: WiFi Module Model Number(s): WF-M38G-UTH1 Product Description: WiFi Module supports Wifi, Bluetooth function We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature:

Name:

Title:

Caixia Hu Engineer Company: Sichuan AI-Link Technology Co., Ltd. Date: 2019-12-16

Sichuan AI-Link Technology Co., Ltd. Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2019-12-16 Subject; Modular Transmitter Application Company name: Sichuan AI-Link Technology Co., Ltd. FCC ID: 2AOKI-WFM38GUTH1 Dear Sir/Madam, This letter includes the FCC application requirements for Modular Transmitter Approval Request for;-

FCC KDB 996369 D01 Module Certification Guide v02; and FCC KDB 996369 D03 OEM Manual v01 In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 Module Equip Auth Guide v02. FCC ID 2AOKI-WFM38GUTH1 has been examined against the following requirements. Requirement per 15.212 and KDB 996369 D01 The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly. The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal. The module must contain power supply regulation on the module. The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b). The module must demonstrate compliance in a stand-alone configuration. The module must be labeled with its permanently affixed FCC ID label, or use an electronic display (see KDB Publication 784748). The module must comply with all specific rules applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. The module must comply with RF exposure requirements Explanation from Grantee

(do not write yes/no, but explain why product complies/how it is achieved) The modular have RF own shielding The modular transmitter have buffered modulation/data inputs The modular transmitter have its own power supply regulation. Device is equipped with two integral antennas. esdistance between modular and all AEs are longer than 10cm refer to setup photo. The FCC identification number can put on the modular with either a permanently affixed label The instructions will be provided and apply to a complete transmitter and comply with specific rule. The total power density of modular transmitter final configuration comply with FCC RF Exposure FCC Modular Approval Request Rev 3.0 Y Date: 2019-12-16 Name: Caixia Hu Title: Engineer Signature of applicant FCC Modular Approval Request Rev 3.0

Sichuan AI-Link Technology Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2019-12-16 Subject; Request for Long Term Confidentiality FCC ID: 2AOKI-WFM38GUTH1 To Whom It May Concern, Pursuant to the provisions of the Commissions rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature:

Name: Caixi Hu Title: Engineer