2ANDL-HEWRQU1Wi-Fi Module

HEWRQU1 Module Datasheet Version: 20220214 Online Version Contents Contents 1 Product overview2 1.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 1.2 Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 1.3 Change history. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 2 Module interfaces4 2.1 Dimensions and footprint. . . . . . . . . . . . . . . . . . . . . . . .4 2.2 Pin definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 2.3 Definitions on test pins. . . . . . . . . . . . . . . . . . . . . . . . .7 3 Electrical parameters8 3.1 Absolute electrical parameters. . . . . . . . . . . . . . . . . . . . .8 3.2 Normal working conditions. . . . . . . . . . . . . . . . . . . . . . .8 3.3 TX and RX power consumption. . . . . . . . . . . . . . . . . . . . .9 3.4 Operating current. . . . . . . . . . . . . . . . . . . . . . . . . . . .9 4 RF parameters11 4.1 Basic RF features. . . . . . . . . . . . . . . . . . . . . . . . . . . .11 4.2 TX performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . .11 4.3 RX performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 5 Antenna13 5.1 Antenna type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13 5.2 Interference reduction. . . . . . . . . . . . . . . . . . . . . . . . . .13 5.3 Specifications of antenna connector. . . . . . . . . . . . . . . . . . .14 6 Packaging information and production instructions15 6.1 Mechanical dimensions. . . . . . . . . . . . . . . . . . . . . . . . .15 6.2 Production instructions. . . . . . . . . . . . . . . . . . . . . . . . .15 6.3 Recommended oven temperature curve. . . . . . . . . . . . . . . . .16 6.4 Storage conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . .17 7 Appendix: Statement19 I Contents Developed by Tuya, HEWRQU1 is a Wi-Fi module that is suitable for serial communi- cation in which the level is changed from 5V TTL to 3.3V TTL. It consists of a highly integrated wireless RF chip (RTL 8710BN), an extension chip, and a DC-DC chip. Besides, it has a Wi-Fi network protocol stack and rich library functions inside. It further contains a low-power ARM CM4FCPU, a 2-MB flash memory, and a 256-KB SRAM. 1 / 22 1 Product overview 1 Product overview HEWRQU1 is an RTOS platform that integrates all function libraries of the Wi-Fi MAC and TCP/IP. On the basis of serial communication, you can develop embedded Wi-Fi products as required. 1.1 Features • Low-powerCPU, which can also functionas an applicationprocessor • The maximumclock rate: 125 MHz • Operatingvoltage:4.5 to 5.5V • Peripheral:1 UART • Wi-Fi connectivity –802.11b/g/ n_HT20HT40 –Channels1 to [email protected] –SupportWPA, WPA2,WEP, and TKIP securitymodes –Up to +18 dBm outputpowerin 802.11bmode –SupportSTA, AP, and STA+APworkingmodes –SupportSmartConfigand AP networkconfigurationmannersfor Android and iOS devices –OnboardPCB antenna –Operatingtemperature:-20°C to 85°C 1.2 Applications • Intelligent buildings • Smart household and home appliances • Smart socket and light • Industrial wireless control 2 / 22 1 Product overview • Baby monitor • Network camera • Intelligent bus 1.3 Change history Update dateUpdated contentVersion after update Sep. 29, 2021This is the first release.V1.0.0 3 / 22 2 Module interfaces 2 Module interfaces 2.1 Dimensions and footprint The dimensions of HEWRQU1 are 42.75±0.35 mm (L)×21.7±0.35 mm (W) ×4.5±0.15 mm (H). The dimensions of HEWRQU1 are shown below: 4 / 22 2 Module interfaces 2.2 Pin definition Pin numberSymbolTypeFunction 1A_14I/OGPIO_14 2A_15I/OGPIO_15 3ENPEnabling pin (low active) 5 / 22 2 Module interfaces Pin numberSymbolTypeFunction 4A_0I/OGPIO_0. It cannot be pulled up during powering on. 5A_12I/OGPIO_12 6ADCAIADC port, the max input voltage 5V 7A_5I/OGPIO_5 83.3VPPower supply pin (3.3V) 9GNDPPower supply reference ground 10A_19I/OGPIO_19 11A_22I/OGPIO_22 12Log_TXI/OUART_Log_TXD (used to display the internal information of the module) 13Log_RXI/OUART_Log_RXD (used to display the internal information of the module) 14GNDPPower supply reference ground 15VINI/OExternal input voltage (5V) 16TXDI/OUART0_TXD (user-side serial port) 6 / 22 2 Module interfaces Pin numberSymbolTypeFunction 17RXDI/OUART0_RXD (user-side serial port) 18GNDPPower supply reference ground :::info • P indicates power supply pins, I/O indicates input/output pins and AI indicates analog input pins. • RST is only a reset pin and cannot be used for clearing network configuration information. ::: 2.3 Definitions on test pins Pin NumberSymbolI/O TypeFunction -IUsed for production tests of the module Test pins are not recommended. 7 / 22 3 Electrical parameters 3 Electrical parameters 3.1 Absolute electrical parameters ParameterDescription Minimum value Maximum valueUnit TsStorage temperature -40125°C V BAT Power supply voltage -5.5V ESD voltage (human body model) TAMB-25°C-2KV ESD voltage (machine model) TAMB-25°C-0.5KV 3.2 Normal working conditions Parameter Description Minimum value Typical value Maximum valueUnit TaOperating tempera- ture -20-85°C V BAT Power supply voltage 4.555.5V VILLow voltage input -0.3-VCC*0.25V VIHHigh voltage input VCC*0.75 -VCCV 8 / 22 3 Electrical parameters Parameter Description Minimum value Typical value Maximum valueUnit VOLLow voltage output --VCC*0.1V VOHHigh voltage output VCC*0.8-VCCV ImaxIO drive current --16mA 3.3 TX and RX power consumption Working StatusModeRate Transmit Power/Re- ceive Typical ValueUnit Transmit11 b11Mbps+17dBm285mA Transmit 11g54Mbps+14.5dBm 255mA Transmit11n-HT20MCS7+13.5dBm235mA Transmit 11n-HT40 MCS7+13.5dBm 235mA Receive11b11MbpsConstantly receive 90mA Receive11g54MbpsConstantly receive 90mA Receive11n-HT20MCS7Constantly receive 90mA Receive11n-HT40 MCS7Constantly receive 90mA 3.4 Operating current 9 / 22 3 Electrical parameters Operating mode Operating status, Ta = 25°C Average value Maximum value (Typical value)Unit Quick pairing The module is in fast pairing state 88150mA Hotspo…

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Rev 11/20/07 Hangzhou Tuya Information Technology Co.,Ltd Federal Communications Commission Authorization and Evaluation Division Confidentiality Request regarding application for certification of FCC ID: 2ANDL-HEWRQU1 Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, we hereby request confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name (Block Diagram, Schematics, operation description) (Block Diagram, Schematics, operation description.pdf”) 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. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Pursuant to DA04-1705 June 15, 2004 of the Commission’s public notice, we also request temporary confidential treatment of information accompanying this application as outlined below: Exhibit Type File Name (Internal Photos, Test Setup Photos) (Internal Photos, Test Setup Photos.pdf”) Number of days: 180 days Sincerely, (signature) (printed name) Linyun Li

Company: Hangzhou Tuya Information Technology Co.,Ltd Address: Room701,Building3,More Center,No.87 GuDun Road, Hangzhou,Zhejiang, China Tel: 86-571-86581786 Fax: 86-571-86581786 Modular Approval Request FCC ID: 2ANDL-HEWRQU1 The following attestation addresses the requirements to support modular approval: Modular approval requirement Yes (provide brief statement) No * (a) 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 has a metal shied. Refer to the external photo of EUT. (b) 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 Data to the modulation circuit is buffered as described in the operational description provided with the application. (c) The module must contain power supply regulation on the module The module contains its own power supply regulation. Please refer to schematic filed with this application. (d) 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 Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) The module has a PCB antenna and which permanently attached the module. Refer to the photo of EUT. (e) The module must demonstrate compliance in a stand-alone configuration The module was tested stand- alone as shown in test setup photographs filed with this application. Company: Hangzhou Tuya Information Technology Co.,Ltd Address: Room701,Building3,More Center,No.87 GuDun Road, Hangzhou,Zhejiang, China Tel: 86-571-86581786 Fax: 86-571-86581786 (f) The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) The FCC ID is printed on the label of the module. Refer to the label of EUT. (g) The module must comply with all specific rules applicable to the transmitter. The grantee must provide comprehensive instructions to explain compliance requirements The module comply with all specific rules. Refer to the datasheet. Modular approval requirement Yes (provide brief statement) No * (h) The module must comply with RF exposure requirements Please refer exhibition RF Exposure for the compliance of MPE RF exposure rule. * Please provide a detailed explanation if the answer is “No.” Yours sincerely, Name: Title: General Manager

C:\Users\xu-jx\Desktop\back up\Project\2022\Hangzhou Tuya Information Technology Co., Ltd\709502204656-00 HEWRQU1\资料\FCC POA _Letter.docx Hangzhou Tuya Information Technology Co.,Ltd Federal Communications Commission Authorization and Evaluation Division 1435 Oakland Mills Road Columbia, MD 21046 Date: 10/09/2022 SUBJECT: FCC Application for FCC ID: 2ANDL-HEWRQU1 To Whom It May Concern: We, the undersigned, hereby authorize Yu Anlu at TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti- Drug Abuse Act. We, the applicant, are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Regards, Printed Name: Linyun Li Signature：

External Photos Documentation Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Page 1 of 1 Product: Wi-Fi Module FCC ID: 2ANDL-HEWRQU1 IC: 23243-HEWRQU1 Antenna

Label & Location Label position Label

Internal Photos Documentation Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Page 1 of 1 Product: Wi-Fi Module FCC ID: 2ANDL-HEWRQU1 IC: 23243-HEWRQU1

Report No: 709502204656-00B EMC_SHA_F_R_02.06E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 1 of 2 Rev. 20.00 MPE Calculation Applicant: Hangzhou Tuya Information Technology Co.,Ltd Address: Room701,Building3,More Center,No.87 GuDun Road,Hangzhou,Zhejiang China Product: Wi-Fi Module FCC ID: 2ANDL-HEWRQU1 Model No.: HEWRQU1, 0011800292X, KZW-W008 Reference RF report # 709502204656-00A According to subpart 15.247(i)and subpart §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. Limits for Maximum Permissible Exposure (MPE) (§1.1310, §2.1091) (B) Limits for General Population/Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (V/m) Magnetic Field Strength (A/m) Power Density (mW/cm 2 ) Averaging Time (minutes) 0.3–1.34 614 1.63 *(100) 30 1.34–30 824/f 2.19/f *(180/f²) 30 30–300 27.5 0.073 0.2 30 300–1,500 / / f/1500 30 1,500–100,000 / / 1.0 30 f = frequency in MHz; * = Plane-wave equivalent power density; According to §1.1310 and §2.1091 RF exposure is calculated. Calculated Formulary: Predication of MPE limit at a given distance S = PG/4πR² = power density (in appropriate units, e.g. mW/cm 2 ); P = power input to the antenna (in appropriate units, e.g., mW); G = power gain of the antenna in the direction of interest relative to an isotropic radiator, the power gain factor, is normally numeric gain; R = distance to the center of radiation of the antenna (appropriate units, e.g., cm); Report No: 709502204656-00B EMC_SHA_F_R_02.06E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 2 of 2 Rev. 20.00 Calculated Data for Wi-Fi Maximum peak output power at antenna input terminal (dBm): 23.34 Maximum peak output power at antenna input terminal (mW): 215.77 Prediction distance (cm): 20 Antenna Gain, typical (dBi): 2.0 Maximum Antenna Gain (numeric): 1.58 The worst case is power density at predication frequency at 20 cm (mW/cm 2 ): 0.0680 MPE limit for general population exposure at prediction frequency (mW/cm 2 ): 1.0 The max power density 0.0680 (mW/cm 2 ) < 1 (mW/cm 2 ) Result: Compliant - TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch Reviewed by: Prepared by: Tested by: _____________________ _____________________ ______________________ Hui TONG Jiaxi XU Cheng Huali EMC Section Manager EMC Project Engineer EMC Test Engineer Date: 2022-10-09 Date: 2022-10-09 Date: 2022-10-09

EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 1 of 67 Rev. 20.00 FCC/IC - TEST REPORT Report Number : 709502204656-00A Date of Issue: October 9, 2022 Model : HEWRQU1, 0011800292X, KZW-W008 Product Type : Wi-Fi Module Applicant : Hangzhou Tuya Information Technology Co.,Ltd Address : Room701,Building3,More Center,No.87 GuDun Road,Hangzhou,Zhejiang China Manufacturer : Hangzhou Tuya Information Technology Co.,Ltd Address : Room701,Building3,More Center,No.87 GuDun Road,Hangzhou,Zhejiang China Test Result : ◼ Positive  Negative Total pages including Appendices : 67 TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch is a subcontractor to TÜV SÜD Product Service GmbH according to the principles outlined in ISO 17025. TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch reports apply only to the specific samples tested under stated test conditions. Construction of the actual test samples has been documented. It is the manufacturer's responsibility to assure that additional production units of this model are manufactured with identical electrical and mechanical components. The manufacturer/importer is responsible to the Competent Authorities in Europe for any modifications made to the production units which result in non-compliance to the relevant regulations. TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch shall have no liability for any deductions, inferences or generalizations drawn by the client or others from TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch issued reports. This report is the confidential property of the client. As a mutual protection to our clients, the public and ourselves, extracts from the test report shall not be reproduced except in full without our written approval. Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 2 of 67 Rev. 20.00 1 Table of Contents 1 Table of Contents......................................................................................................................................................... 2 2 Details about the Test Laboratory .............................................................................................................................. 3 3 Description of the Equipment under Test ................................................................................................................... 4 4 Summary of Test Standards ....................................................................................................................................... 5 5 Summary of Test Results ............................................................................................................................................ 6 6 General Remarks ......................................................................................................................................................... 7 7 Test Setups .................................................................................................................................................................. 8 8 Systems test configuration ........................................................................................................................................ 11 9 Technical Requirement.............................................................................................................................................. 12 9.1 Conducted Emission ......................................................................................................................................... 12 9.2 Conducted peak output power and e.i.r.p. ....................................................................................................... 17 9.3 6dB bandwidth and 99% Occupied Bandwidth ............................................................................................... 18 9.4 Power spectral density ...................................................................................................................................... 27 9.5 Spurious RF conducted emissions ................................................................................................................... 32 9.6 Band edge .......................................................................................................................................................... 45 9.7 Spurious radiated emissions for transmitter .................................................................................................... 54 10 Test Equipment List ............................................................................................................................................... 64 11 System Measurement Uncertainty ....................................................................................................................... 65 12 Photographs of Test Set-ups ................................................................................................................................ 66 13 Photographs of EUT .............................................................................................................................................. 67 Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 3 of 67 Rev. 20.00 2 Details about the Test Laboratory Details about the Test Laboratory Test Site 1 Company name: TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch No.16 Lane, 1951 Du Hui Road, Shanghai 201108, P.R. China Test Firm FCC Registration Number: Design…

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Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 32 of 67 Rev. 20.00 9.5 Spurious RF conducted emissions Test Method 1. Establish a reference level by using the following procedure: a. Set RBW=100 kHz. VBW≥3RBW. Detector =peak, Sweep time = auto couple, Trace mode = max hold. b. Allow trace to fully stabilize, use the peak marker function to determine the maximum PSD level. 2. Use the maximum PSD level to establish the reference level. a. Set the center frequency and span to encompass frequency range to be measured. b. Use the peak marker function to determine the maximum amplitude level. Ensure that the amplitude of all unwanted emissions outside of the authorized frequency band (excluding restricted frequency bands) are attenuated by at least the minimum requirements, report the three highest emissions relative to the limit. 3. Repeat above procedures until other frequencies measured were completed. Limit Frequency Range Limit (dBc) MHz 30-25000 -20 Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 33 of 67 Rev. 20.00 Spurious RF conducted emissions 802.11 B Out-of-Band Emissions Channel 1 (2412MHz) Reference point Spurious Emission (30MHz – 1GHz) Spurious Emission (1GHz –5GHz) Spurious Emission (5GHz –26.5GHz) Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 34 of 67 Rev. 20.00 Out-of-Band Emissions Channel 6 (2437MHz) Reference point Spurious Emission (30MHz – 1GHz) Spurious Emission (1GHz –5GHz) Spurious Emission (5GHz –26.5GHz) Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 35 of 67 Rev. 20.00 Out-of-Band Emissions Channel 11 (2462MHz) Reference point Spurious Emission (30MHz – 1GHz) Spurious Emission (1GHz –5GHz) Spurious Emission (5GHz –26.5GHz) Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 36 of 67 Rev. 20.00 802.11 G Out-of-Band Emissions Channel 1 (2412MHz) Reference point Spurious Emission (30MHz – 1GHz) Spurious Emission (1GHz –5GHz) Spurious Emission (5GHz –26.5GHz) Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 37 of 67 Rev. 20.00 Out-of-Band Emissions Channel 6 (2437MHz) Reference point Spurious Emission (30MHz – 1GHz) Spurious Emission (1GHz –5GHz) Spurious Emission (5GHz –26.5GHz) Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 38 of 67 Rev. 20.00 Out-of-Band Emissions Channel 11 (2462MHz) Reference point Spurious Emission (30MHz – 1GHz) Spurious Emission (1GHz –5GHz) Spurious Emission (5GHz –26.5GHz) Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 39 of 67 Rev. 20.00 802.11 N HT20 Out-of-Band Emissions Channel 1 (2412MHz) Reference point Spurious Emission (30MHz – 1GHz) Spurious Emission (1GHz –5GHz) Spurious Emission (5GHz –26.5GHz) Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 40 of 67 Rev. 20.00 Out-of-Band Emissions Channel 6 (2437MHz) Reference point Spurious Emission (30MHz – 1GHz) Spurious Emission (1GHz –5GHz) Spurious Emission (5GHz –26.5GHz) Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 41 of 67 Rev. 20.00 Out-of-Band Emissions Channel 11 (2462MHz) Reference point Spurious Emission (30MHz – 1GHz) Spurious Emission (1GHz –5GHz) Spurious Emission (5GHz –26.5GHz) Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 42 of 67 Rev. 20.00 802.11 N HT40 Out-of-Band Emissions Channel 1 (2422MHz) Reference point Spurious Emission (30MHz – 1GHz) Spurious Emission (1GHz –5GHz) Spurious Emission (5GHz –26.5GHz) Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 43 of 67 Rev. 20.00 Out-of-Band Emissions Channel 6 (2437MHz) Reference point Spurious Emission (30MHz – 1GHz) Spurious Emission (1GHz –5GHz) Spurious Emission (5GHz –26.5GHz) Report Number: 709502204656-00A EMC_SHA_F_R_02.04E TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151, Heng Tong Road, Shanghai, 200070, P.R. China Phone: +86 21 61410123, Fax:+86 21 61408600 Page 44 of 67 Rev. 20.00 Out-of-Band Emissions Channel 9 (2452MHz) Reference point Spurious Emission (30MHz – 1GHz) Spur…

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Antennatestreport ProductName:HEWRQU1 AntennaType:PCBantenna Writer:JianweiWang Maximum Gain：2.00dBi Efficiency:56.89% HEWRQU1Antennatestreport Version1.0.0Date：2021-04-16NO：0000000001 Antenna TestReport GlobalIntelligentPlatform Antennatestreport Content 1.GeneralDescription........................................................................................................................3 2.TechnicalInformation.....................................................................................................................3 3.TestStandards.................................................................................................................................3 4.TestItem..........................................................................................................................................4 5.TestPhoto........................................................................................................................................4 AppendixADimensions.....................................................................................................................5 AppendixBGainandEfficiency........................................................................................................5 AppendixCRadiationPattern............................................................................................................6 AppendixDTestSetupPhoto.............................................................................................................9 Antennatestreport 1.GeneralDescription EUTNameHEWRQU1Antenna WirelesstypeWIFI AntennaTypePCBantenna DimensionsAppendixA 2.TechnicalInformation FrequencyRange2402MHz~2480MHz TestFrequency2400,2410......2500MHz 3.TestStandards IdentityDocumentTitle IEEE149-1979IEEEStandardTestProcedures forAntennas Antennatestreport 4.TestItem ReportSectionDescription AppendixBGainandEfficiency AppendixCRadiationPattern 5.TestPhoto ReportSectionDescription AppendixDTestSetupPhoto Antennatestreport AppendixADimensions AppendixBGainandEfficiency Frequency /MHz Efficiency/ dB Efficiency /% Gain/dB 2400-2.556.231.89 2410-2.6354.58 1.84 2420-2.6254.7 2.0 2430-2.6154.83 1.9 2440-2.6154.83 1.77 2450-2.4556.89 1.92 2460-2.6853.951.68 2470-350.12 1.34 2480-3.2946.88 1.05 2490-3.4645.08 0.87 2500-3.3546.24 1 Antennatestreport AppendixCRadiationPattern Antennatestreport Antennatestreport Antennatestreport AppendixDTestSetupPhoto

Applicant: Hangzhou Tuya Information Technology Co.,Ltd Product: Wi-Fi Module FCC ID: 2ANDL-HEWRQU1 IC: 23243-HEWRQU1 ©2022 Not to be reproduced, except in its entirety, Page 1 of 3 without the Permission of TÜ V SÜ D Certification and Testing (China) Co., Ltd. Shanghai Branch PHOTOGRAPHS OF TEST SET UP Field Strength and Harmonics Test Setup Radiated Emission Setup 9kHz ~ 30MHz 30MHz ~ 1GHz Applicant: Hangzhou Tuya Information Technology Co.,Ltd Product: Wi-Fi Module FCC ID: 2ANDL-HEWRQU1 IC: 23243-HEWRQU1 ©2022 Not to be reproduced, except in its entirety, Page 2 of 3 without the Permission of TÜ V SÜ D Certification and Testing (China) Co., Ltd. Shanghai Branch 1GHz ~ 18GHz 18GHz ~ 25GHz Applicant: Hangzhou Tuya Information Technology Co.,Ltd Product: Wi-Fi Module FCC ID: 2ANDL-HEWRQU1 IC: 23243-HEWRQU1 ©2022 Not to be reproduced, except in its entirety, Page 3 of 3 without the Permission of TÜ V SÜ D Certification and Testing (China) Co., Ltd. Shanghai Branch Conducted emission Test Setup