2ANDL-CB2S-JWi-Fi and Bluetooth Module

CB2S-J Module Datasheet Version: 20230911 Online Version Contents Contents 1 Overview2 1.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 1.2 Scope of applications. . . . . . . . . . . . . . . . . . . . . . . . . .3 2 Module interfaces4 2.1 Dimensions and footprint. . . . . . . . . . . . . . . . . . . . . . . .4 2.2 Pin definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 3 Electrical parameters8 3.1 Absolute electrical parameters. . . . . . . . . . . . . . . . . . . . .8 3.2 Normal operating conditions. . . . . . . . . . . . . . . . . . . . . . .8 3.3 Radio frequency (RF) power. . . . . . . . . . . . . . . . . . . . . . .9 3.4 Operating current. . . . . . . . . . . . . . . . . . . . . . . . . . . .9 4 RF parameters12 4.1 Basic RF features. . . . . . . . . . . . . . . . . . . . . . . . . . . .12 4.2 Wi-Fi transmitter (TX) performance. . . . . . . . . . . . . . . . . . .12 4.3 Wi-Fi receiver (RX) performance. . . . . . . . . . . . . . . . . . . . .13 4.4 Bluetooth transmitter (TX) performance. . . . . . . . . . . . . . . . .13 4.5 Bluetooth receiver (RX) performance. . . . . . . . . . . . . . . . . .14 5 Antenna information15 5.1 Antenna type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15 5.2 Antenna interference reduction. . . . . . . . . . . . . . . . . . . . .15 6 Packing and production instructions16 6.1 Mechanical dimensions. . . . . . . . . . . . . . . . . . . . . . . . .16 6.2 Production instructions. . . . . . . . . . . . . . . . . . . . . . . . .18 6.3 Recommended oven temperature curve and temperature. . . . . . .20 6.4 Storage conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . .21 7 MOQ and packaging information23 8 Appendix: Statement24 I Contents CB2S-J module is a Wi-Fi and Bluetooth Low Energy (LE) combo module developed by Tuya Smart. It is composed of a highly integrated radio-frequency identification (RFID) chip BK7231N and a few peripheral components. It can run in Wi-Fi station mode and access point (AP) mode as well as support connection over Bluetooth Low Energy. 1 / 26 1 Overview 1 Overview CB2S-J has a built-in 32-bit MCU with a maximum running speed of 120 MHz, built- in 2 MB flash memory, and 256 KB RAM. The module supports cloud connectivity, and the MCU’s extended instructions for signal processing enable it to efficiently implement audio encoding and decoding. Various peripherals are available, such as PWM and UART. Up to five channels of 32-bit PWM output make the chip ideal for high-quality LED control. 1.1 Features • Built-in low-power 32-bit CPU that also acts as an application processor. • Clock rate of 120 MHz. • Operating voltage range: 3.0V to 3.6V. • Peripherals: five pulse-width modulators (PWMs) and one universal asyn- chronous receiver/transmitter (UART) pin. • Wi-Fi connectivity –IEEE 802.11b/g/n. –Channels 1 to 14 at 2.4 GHz. –Support security protocols including WEP, WPA/WPA2, WPA/WPA2 PSK (AES), and WPA3. –The maximum output power is +16 dBm for IEEE 802.11b transmission. –Support STA, AP, and STA + AP combo working modes. –Two pairing modes are supported, namely Wi-Fi Easy Connect (EZ mode) and access point (AP) mode. Both modes are suitable for pairing with Android and iOS mobile phones. –The onboard PCB antenna has a peak gain of -0.26 dBi. –Operating temperature range: -40°C to +85°C. • Bluetooth connectivity –Bluetooth Core Specification v5.2. –The transmitter power in Bluetooth mode is 6 dBm. –Integral Wi-Fi and Bluetooth coexistence interface. –The onboard PCB antenna has a peak gain of -0.26 dBi. 2 / 26 1 Overview 1.2 Scope of applications •Smart building •Smart home and electrical appliance •Smart socket and light •Industrial wireless control •Baby monitor •IP camera •Smart bus 3 / 26 2 Module interfaces 2 Module interfaces 2.1 Dimensions and footprint The CB2S-J dimensions are 25±0.35 mm (W) × 23.3±0.35 mm (L) × 2.3±0.15 mm (H). The following figure shows the dimensions and packaging design of the CB2S-J module. 4 / 26 2 Module interfaces 2.2 Pin definition Pin No.SymbolI/O typeDescription 13V3P3.3V power pin. 2P6I/OSupport hardware PWM, corresponding to P6 on the IC. 3GNDPGround pin. 4P7I/OSupport hardware PWM, corresponding to P7 on the IC. 5 / 26 2 Module interfaces Pin No.SymbolI/O typeDescription 5RX1I/OUART_RX1to receive user data, corresponding to Pin 10 on the IC. For more information about MCU general integration, see Hardware Design of CBx Series Modules . 6P8I/OSupport hardware PWM, corresponding to P8 on the IC. 7TX1I/OUART_TX1to send user data, corresponding to P11 on the IC. For more information about MCU general integration, see Hardware Design of CBx Series Modules . 8ADCI/OADC pin, corresponding to P23 on the IC. 9P24I/OSupport hardware PWM, corresponding to P24 on the IC. 10CENI/OReset pin. 6 / 26 2 Module interfaces Pin No.SymbolI/O typeDescription 11P26I/OSupport hardware PWM, corresponding to P26 on the IC. Test pointRX2I/OUART_RX2, corresponding to P1 on the IC. Do not use this pin. Test pointTX2I/OUART_TX2supports log printing, corresponding to P0 on the IC. Test pointCSNI/OMode selection pin. Pulling CSN down before the module is powered on will start the test firmware, while floating it or pulling it up will start the application firmware. This pin is connected to P21 on the IC. :::info •Pindicates the power pin, and I/O indicates the input and output pin. •For more information about MCU general integration, seeHardware Design of CBx Series Modules. ::: 7 / 26 3 Electrical parameters 3 Electrical parameters 3.1 Absolute electrical parameters ParameterDescription Min valueMax valueUnit TsStorage temperature -55125°C VBATSupply voltage -0.33.9V Electrostatic discharge voltage (human body model) TAMB -25°C-44kV Electrostatic discharge voltage (machine model) TAMB -25°C -200200V 3.2 Normal operating conditions Parameter Description Min value Typical valueMax value Unit TaOperating tempera- ture -40-85°C VBATSupply voltage 33.33.6V VOLI/O lo…

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Rev 1/26/2023 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 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 10-08-2023 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2ANDL-CB2S-J Applicant FRN: 0026759332 Hangzhou Tuya Information Technology Co., Ltd.certifies that, as of the date of the filing of the application, Tuya Global Inc. is our designated U.S. agent for service of process for the above referenced FCC ID. Hangzhou Tuya Information Technology Co., Ltd. accepts to maintain an agent for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. Tuya Global Inc. accepts, as of the date of the filing of the application, the obligation of the designated U.S. agent for service of process for the above referenced FCC ID. Designated U.S. Agent Information: Name: Tuya Global Inc. U.S. Agent FRN: 0033411059 Address: 3979 Freedom Circle, Suite 340, Santa Clara, CA 95054, USA Contact Person: Eric Shen Tel.: 626-215-3367 Email: [email protected] Sincerely, Hangzhou Tuya Information Technology Co., Ltd. Tuya Global Inc. Linyun Li Eric Shen

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: 10-08-2023 To: Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Ref: Attestation Statements Part 2.911(d)(5)(i) and Part 2.911(d)(5)(ii) Filing Re. KDB 986446 D01 FCC ID: 2ANDL-CB2S-J Dear Sir or Madam, Hangzhou Tuya Information Technology Co.,Ltd certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. We also certify that, Hangzhou Tuya Information Technology Co.,Ltd certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List ( as a specifically named entity or any of its subsidiaries or affiliates) as an entity producing “covered” equipment . If you have any questions, please contact us. Sincerely, Contact name: Linyun LI Company name: Hangzhou Tuya Information Technology Co.,Ltd Address: Room701,Building3,More Center,No.87 GuDun Road,Hangzhou,Zhejiang China E-mail: [email protected] Tel: +86-571-86581786

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 (10/08/2023) TUV SUD BABT UNLIMITED TCB Octagon House, Segensworth North, Fareham, Hampshire, PO15 5RL, United Kingdom Dear Sir or Madam, We, (Hangzhou Tuya Information Technology Co.,Ltd), hereby authorize Jiaxi XU from TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 3-13, No.151 Heng Tong Road Shanghai 201108 P.R. China to act as our agent in all matters relating to applications for equipment authorization, including the signing of all documents relating to these matters. This authorization expires on (Dec.31,2023). 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 (10/08/2023) TUV SUD BABT UNLIMITED TCB Octagon House, Segensworth North, Fareham, Hampshire, PO15 5RL, United Kingdom Confidentiality Request FCC ID: 2ANDL-CB2S-J 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 Block Diagrams Theory of Operation (Hangzhou Tuya Information Technology Co.,Ltd) also hereby requests short-term confidential treatment of information accompanying this application as outlined below for a period of 180 days: Internal Photos 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 Modular Approval Request FCC ID: 2ANDL-CB2S-J 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 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

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 2ANDL-CB2S-J 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: / Manager Signature: Phone: +86-571-86581786 Email: [email protected] Date: Oct.08,2023

External Photos Documentation Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Page 1 of 1 Product: Wi-Fi and Bluetooth Module FCC ID: 2ANDL-CB2S-J

Label & Location Label position Label

Internal Photos Documentation Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Page 1 of 1 Product: Wi-Fi and Bluetooth Module FCC ID: 2ANDL-CB2S-J Antenna

Report No: 709502306828-00C 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. 23.00 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-CB2S-J Model No.: CB2S-J Reference RF report # 709502306828-00A, 709502306828-00B 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: 709502306828-00C 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. 23.00 Calculated Data for Wi-Fi Maximum peak output power at antenna input terminal (dBm): 23.05 Maximum peak output power at antenna input terminal (mW): 201.84 Prediction distance (cm): 20 Antenna Gain, typical (dBi): -0.26 Maximum Antenna Gain (numeric): 0.94 The worst case is power density at predication frequency at 20 cm (mW/cm 2 ): 0.038 MPE limit for general population exposure at prediction frequency (mW/cm 2 ): 1.0 The max power density 0.038 (mW/cm 2 ) < 1 (mW/cm 2 ) Result: Compliant Calculated Data for BLE Maximum peak output power at antenna input terminal (dBm): 7.31 Maximum peak output power at antenna input terminal (mW): 5.38 Prediction distance (cm): 20 Antenna Gain, typical (dBi): -0.26 Maximum Antenna Gain (numeric): 0.94 The worst case is power density at predication frequency at 20 cm (mW/cm 2 ): 0.0010 MPE limit for general population exposure at prediction frequency (mW/cm 2 ): 1.0 The max power density 0.0010 (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: 2023-10-07 Date: 2023-10-07 Date: 2023-10-07

ANTENNA REPORT Manufacture：TUYA Product Name：CB2S-J Antenna Antenna Type：PCB Test Date：2023.8.10 Tested by：Zhang Yinhua Approved by：Licco Content 1.General Description ................................................................................. 1 2.Test Configurations .................................................................................. 2 2.1 Test Environment ............................................................................ 2 2.2 Test Equipment ............................................................................... 2 2.3 Test Principle ................................................................................... 2 3.Test Results .............................................................................................. 3 3.1 Gain and Efficiency.......................................................................... 3 3.2 Radiation Pattern ............................................................................ 4 4.Antenna Dimensions ............................................................................... 6 5.EUT Photo................................................................................................ 7 6.Test Setup Photo ...................................................................................... 7 1 1.General Description Manufacturer Hangzhou Tuya Information Technology Co.,Ltd Address Room 701,Building 3,More Center,No.87 GuDun Road, Hangzhou, Zhejiang,China Test Location Room 106, Building 3, Letong Science Park, No. 500, Qiuyi Road, Binjiang District, Hangzhou Product Name CB2S-J Antenna Product model CB2S-J Antenna Type PCB Antenna Test Items Gain; Efficiency; Radiation Pattern Test Frequency 2400-2500MHz Test Standard ANSI/IEEE Std 149-1979 2 2.Test Configurations 2.1 Test Environment Temperature (°C) 25 Humidity (%RH) 60 Atmospheric Pressure (kPa) 100.5 2.2 Test Equipment Test System TEM 24 Multi-probe Microwave Chamber Test Instrument Agilent E5071B 2.3 Test Principle 3 3.Test Results 3.1 Gain and Efficiency Frequency (MHz) Peak Gain (dBi) Efficiency (%) 2410 -1.24 36.98 2420 -1.41 39.45 2430 -0.9 39.54 2440 -1.11 39.54 2450 -0.8 41.98 2460 -0.26 39.99 2470 -1.04 41.98 2480 -0.26 38.37 2490 -1.08 43.25 2500 -0.14 41.78 4 3.2 Radiation Pattern Phi 0 2D Phi 90 2D Theta 90 2D 5 2400MHz 3D 2450MHz 3D 6 2500MHz 3D 4.Antenna Dimensions 7 5.EUT Photo 6.Test Setup Photo

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 40 Rev. 23.00 FCC - TEST REPORT Report Number : 709502306828-00B Date of Issue: Sep.25,2023 Model : CB2S-J 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 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 : 40 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: 709502306828-00B 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 40 Rev. 23.00 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 .............................................................................................................................................. 6 5 Summary of Test Results ................................................................................................................................................... 7 6 General Remarks ................................................................................................................................................................ 8 7 Test Setups .......................................................................................................................................................................... 9 8 Systems test configuration ............................................................................................................................................... 12 9 Technical Requirement .................................................................................................................................................... 13 9.1 Conducted Emission ................................................................................................................................................ 13 9.2 Conducted peak output power................................................................................................................................ 18 9.3 6dB bandwidth .......................................................................................................................................................... 20 9.4 Power spectral density ............................................................................................................................................. 22 9.5 Spurious RF conducted emissions ........................................................................................................................ 24 9.6 Band edge ................................................................................................................................................................. 28 9.7 Spurious radiated emissions for transmitter ......................................................................................................... 31 10 Test Equipment List ...................................................................................................................................................... 38 11 System Measurement Uncertainty ............................................................................................................................. 39 12 Photographs of Test Set-ups ...................................................................................................................................... 40 13 Photographs of EUT ..................................................................................................................................................... 40 Report Number: 709502306828-00B 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 40 Rev. 23.00 2 Details about the Test Laboratory Test Site 1 Company name: TÜV SÜD Certification and Testing (China) Co., Ltd. Sha…

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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 56 Rev. 20.00 FCC - TEST REPORT Report Number : 709502306828-00A Date of Issue: Sep.25,2023 Model : CB2S-J 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 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 : 56 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: 709502306828-00A 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 56 Rev. 23.00 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 .............................................................................................…

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