2ANDL-WB8PWi-Fi and Bluetooth Module

1 1 Product Overview WB8P is a low-power embedded Wi-Fi module that Tuya has developed. It consists of a highly integrated RF chip (BK7231T) and several peripheral components, with an embedded Wi-Fi network protocol stack, Bluetooth network protocol, and robust library functions. WB8P also contains a low-power Arm Cortex-M4 MCU, 1T1R WLAN module, 256 KB static random-access memory (SRAM), and 2 MB flash memory, and has extensive peripherals. WB8P is an RTOS platform that integrates all function libraries of the Wi-Fi MAC and TCP/IP protocols. You can develop embedded Wi-Fi products as required. 1.1 Features  Embedded low-power 32-bit CPU, which can also function as an application processor ⚫ Clock rate: 120 MHz  Working voltage: 3.0 V to 3.6 V  Peripherals: eight GPIOs, one universal asynchronous receiver/transmitter (UART), and one analog-to-digital converter (ADC)  Wi-Fi connectivity ⚫ 802.11b/g/n ⚫ Channels 1 to 14 at 2.4 GHz ⚫ WPA and WPA2 security modes ⚫ Smart network configuration for Android and iOS devices ⚫ Onboard PCB antenna with a gain of 2 dBi ⚫ Working temperature: –20°C to +105°C Product Manual WB8P Wi-Fi and Bluetooth Module Version: 1.0.0 Date: 2020-3-30 No.: 0000000001 Global Intelligent Platform 2  Bluetooth connectivity ⚫ Support Bluetooth （V4.2） ⚫ Onboard PCB antenna with a gain of 2 dBi ⚫ Working temperature: –20°C to +105°C 2 1.2 Applications  Intelligent building  Smart household and home appliances  Smart socket and light  Industrial wireless control  Baby monitor  Network camera  Intelligent bus 3 Change History No. Date Change Description Version After Change 1 2020-3-30 This is the first release. 1.0.0 4 Contents 1 Product Overview ............................................................................................................. 1 1.1 Features ................................................................................................................. 1 1.2 Applications ............................................................................................................ 2 2 Module Interfaces ............................................................................................................. 6 2.1 Dimensions and Footprint ...................................................................................... 6 2.2 Interface Pin Definition ........................................................................................... 6 2.3 Test Pin Definition ................................................................................................... 7 3 Electrical Parameters ....................................................................................................... 8 3.1 Absolute Electrical Parameters .............................................................................. 8 3.2 Electrical Conditions ............................................................................................... 9 3.3 RF Current Consumption ....................................................................................... 9 3.4 Working Current ................................................................................................... 10 4 RF Features .................................................................................................................... 10 4.1 Basic RF Features ................................................................................................ 10 4.2 TX Performance ................................................................................................... 11 4.3 RX Performance ................................................................................................... 11 5 Antenna Information ....................................................................................................... 12 5.1 Antenna Type.................................................................................................................. 12 5.2 Antenna Interference Reduction .......................................................................... 12 5.3 Antenna Connector Specifications ....................................................................... 12 6 Packaging Information and Production Instructions....................................................... 13 6.1 Mechanical Dimensions ....................................................................................... 13 6.2 Recommended PCB Layout ................................................................................. 14 6.3 Production Instructions ......................................................................................... 14 6.4 Recommended Oven Temperature Curve ........................................................... 16 6.5 Storage Conditions ............................................................................................... 17 6.6 Appendix - declaration .......................................................................................... 17 5 Figures Figure 2-1 WB8P front and rear views ......................................................................... 6 Figure 5-1 Antenna clearance part ............................................................................. 12 Figure 6-1 WB8P mechanical dimensions ................................................................. 13 Figure 6-2 Side view ................................................................................................... 13 Figure 6-3 Layout of the PCB to which WB8P applies ............................................... 14 Figure 6-4 HIC for WB8P ............................................................................................ 15 Figure 6-5 Oven temperature curve ........................................................................... 16 Tables Table 2-1 WB8P interface pins ..................................................................................... 7 Table 2-2 WB8P test pins ..........................................................................…

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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 WIFI Channel 12 ,13 and 14 Declaration Letter We declare the equipment identified below with regards to Channel 12,13 and 14 capabilities for FCC ID: 2ANDL-WB8P Declaration Product hardware does not have the capability to operate on Channel 12,13 and 14. Product hardware has the capability to operate on Channel 12 ,13 and 14. However, these three channels will be disabled via software and will not be accessible to user. Product hardware has the capability to operate on Channel 12 ,13 and 14. However, all the operated channels can’t be changed in the RF parameter via software. All channels have complied with all of the requirements sets out in FCC Part 15.247. Product hardware has the capability to operate on WiFi Channel 12 ,13 and 14, and meets the requirements of KDB 594280 D01 v02r01. Please note: 1.) By default, this device operates in a mode that is compliant with the U.S. requirements. 2.) This device will also use supplemental information such as geo-location data to determine that it is operating outside the U.S., if necessary, to change its power. Such supplemental data will be derived from the following: Global Navigation Satellite System (GNSS)7 sensors in the device Mobile Country Code (MCC),8 or MCC with a Mobile Network code (MNC), received from a CMRS9 carrier and received directly by a receiver on the device Country information derived from multiple adjacent access points (for example using IEEE Std 802.11d provisions) may be permitted on case-by-case basis Other suitable geo-location data based on IP addresses or other reliable source. Name / Title: / General Manager Signature: Phone: 86-571-86581786 Email: [email protected] Date: Apr 08,2020

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 Date (04/08/2020) TUV SUD BABT TCB Octagon House, Segensworth Road, Fareham, Hampshire, PO15 5RL Confidentiality Request FCC ID: 2ANDL-WB8P Pursuant to Sections 0.457(d)(1)(ii) and 0.459 of the Commission’s Rules, (Hangzhou Tuya Information Technology Co.,Ltd) hereby requests permanent confidential treatment of information accompanying this application as outlined below: Schematics Bill of Materials/Parts List Block Diagrams Theory of Operation The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457(d)(1)(ii), disclosure of this Application and all accompanying materials will not be made before the date of the Grant for this Application. Yours sincerely, Company Officer: Telephone Number: 86-571-86581786 Email: [email protected]

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 Date (04/08/2020) Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Modular Approval Request FCC ID: 2ANDL-WB8P 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 The module has a PCB antenna and which permanently attached 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 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. 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. (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 The module meets Portable exclusion levels as shown in the RF exposure information filed with this application. * Please provide a detailed explanation if the answer is “No.” Yours sincerely, Name: Title: General Manager

External Photos Documentation Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Page 1 of 1 Product: Wi-Fi and Bluetooth Module FCC ID: 2ANDL-WB8P Antenna

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Internal Photos Documentation Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Page 1 of 1 Product: Wi-Fi and Bluetooth Module FCC ID: 2ANDL-WB8P

Report No: 708882003234-00A 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 and Bluetooth Module FCC ID: 2ANDL-WB8P Model No.: WB8P Reference RF report # 708882003234-00; 708882003236-00 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: 708882003234-00A 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: PCB antenna for Wi-Fi Maximum peak output power at antenna input terminal (dBm): 22.09 Maximum peak output power at antenna input terminal (mW): 161.81 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 ): 0.0508 MPE limit for general population exposure at prediction frequency (mW/cm 2 ): 1.0 The max power density 0.0508 (mW/cm2) < 1 (mW/cm2) Result: Compliant Calculated Data: BLE Maximum peak output power at antenna input terminal (dBm): 6.00 Maximum peak output power at antenna input terminal (mW): 3.98 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 ): 0.0012 MPE limit for general population exposure at prediction frequency (mW/cm 2 ): 1.0 The max power density 0.0012 (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 Wenqiang LU EMC Section Manager EMC Project Engineer EMC Test Engineer Date: 2020-04-08 Date: 2020-04-08 Date: 2020-04-08

Report Number: 708882003234-00 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 60 Rev. 20.00 FCC/IC - TEST REPORT Report Number : 708882003234-00 Date of Issue: April 7, 2020 Model : WB8P Product Type : Wi-Fi and Bluetooth Module Applicant : Hangzhou Tuya Information Technology Co.,Ltd Address : Room701,Building3,More Center,No.87 GuDun Road,Hangzhou,Zhejiang China Production Facility : Hangzhou xicheng electronic technology co. LTD Address : Building 5 and 6, 123 chutian road, xixing street, binjiang district, hangzhou city, zhejiang province, China Test Result : ◼ Positive  Negative Total pages including Appendices : 60 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: 708882003234-00 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 60 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 ................................................................................................. 15 9.3 6dB bandwidth and 99% Occupied Bandwidth ......................................................................... 16 9.4 Power spectral density ............................................................................................................. 26 9.5 Spurious RF conducted emissions ........................................................................................... 31 9.6 Band edge ............................................................................................................................... 44 9.7 Spurious radiated emissions for transmitter ............................................................................. 49 10 Test Equipment List ..................................................................................................................... 57 11 System Measurement Uncertainty ............................................................................................... 58 12 Photographs of Test Set-ups ....................................................................................................... 59 13 Photographs of EUT .................................................................................................................... 60 Report Number: 708882003234-00 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 60 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 FCC Registration No.: 820234 IC Registration No.: 25988 Telephone: +86 21 6141 0123 Fax: +86 21 6140 8600 Report Number: 708882003234-00 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 4 of 60 Rev. 20.00 3 Description of the Equipment under Test Description of the Equipment Under Test Product: Wi-Fi and Bluetooth Module Model no.…

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Report Number: 708882003236-00 EMC_SHA_F_R_02.05E 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 36 Rev. 20.00 FCC/IC- TEST REPORT Report Number : 708882003236-00 Date of Issue: April 7, 2020 Model : WB8P Product Type : Wi-Fi and Bluetooth Module Applicant : Hangzhou Tuya Information Technology Co.,Ltd Address : Room701,Building3,More Center,No.87 GuDun Road,Hangzhou,Zhejiang China Production Facility : Hangzhou xicheng electronic technology co. LTD Address : Building 5 and 6, 123 chutian road, xixing street, binjiang district, hangzhou city, zhejiang province, China Test Result : ◼ Positive  Negative Total pages including Appendices : 36 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: 708882003236-00 EMC_SHA_F_R_02.05E 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 36 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 ................................................................................................. 15 9.3 6dB bandwidth and 99% Occupied Bandwidth ......................................................................... 17 9.4 Power spectral density ............................................................................................................. 20 9.5 Spurious RF conducted emissions ........................................................................................... 22 9.6 Band edge ............................................................................................................................... 26 9.7 Spurious radiated emissions for transmitter ............................................................................. 28 10 Test Equipment List ..................................................................................................................... 33 11 System Measurement Uncertainty ............................................................................................... 34 12 Photographs of Test Set-ups ....................................................................................................... 35 13 Photographs of EUT .................................................................................................................... 36 Report Number: 708882003236-00 EMC_SHA_F_R_02.05E 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 36 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 FCC Registration No.: 820234 IC Registration No.: 25988 Telephone: +86 21 6141 0123 Fax: +86 21 6140 8600 Report Number: 708882003236-00 EMC_SHA_F_R_02.05E 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 4 of 36 Rev. 20.00 3 Description of the Equipment under Test Description of the Equipment Under Test Product: Wi-Fi and Bluetooth Module Model no.:…

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Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Product: Wi-Fi and Bluetooth Module FCC ID: 2ANDL-WB8P 2020 Not to be reproduced, except in its entirety, Page 1 of 2 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 Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Product: Wi-Fi and Bluetooth Module FCC ID: 2ANDL-WB8P 2020 Not to be reproduced, except in its entirety, Page 2 of 2 without the Permission of TÜ V SÜ D Certification and Testing (China) Co., Ltd. Shanghai Branch 1GHz ~ 18GHz Conducted emission Test Setup