2ANDL-CB2SWi-Fi and Bluetooth Module

CB2S Module Datasheet Hardware Product Development > Network Modules > Wi-Fi & BLE Dual Mode Module > CB Series Module Version: 20210408 Online Version Contents Contents 1 Overview2 1.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 1.2 Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 1.3 Change history. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 2 Module interfaces3 2.1 Dimensions and package. . . . . . . . . . . . . . . . . . . . . . . .3 2.2 Pin definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 3 Electrical parameters7 3.1 Absolute electrical parameters. . . . . . . . . . . . . . . . . . . . .7 3.2 Normal working conditions. . . . . . . . . . . . . . . . . . . . . . .7 3.3 RF power consumption. . . . . . . . . . . . . . . . . . . . . . . . .8 3.4 Working current. . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 4 RF parameters9 4.1 Basic RF features. . . . . . . . . . . . . . . . . . . . . . . . . . . .9 4.2 Wi-Fi transmission performance. . . . . . . . . . . . . . . . . . . . .10 4.3 Wi-Fi receiving performance. . . . . . . . . . . . . . . . . . . . . . .11 4.4 Bluetooth LE transmission performance. . . . . . . . . . . . . . . . .11 4.5 Bluetooth LE receiving performance. . . . . . . . . . . . . . . . . . .12 5 Antenna information12 5.1 Antenna type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12 5.2 Antenna interference reduction. . . . . . . . . . . . . . . . . . . . .12 6 Packaging information and production instructions13 6.1 Mechanical dimensions. . . . . . . . . . . . . . . . . . . . . . . . .13 6.2 Production instructions. . . . . . . . . . . . . . . . . . . . . . . . .15 6.3 Recommended oven temperature curve and temperature. . . . . . .17 6.4 Storage conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . .18 7 MOQ and packaging information20 8 Appendix: Statement20 i Contents 1 / 22 BluetoothLE network connection manner. only sup-ports the AP and STA dual-network-connection manner but supports the It consistsof a highly integrated RF chip BK7231N and a few peripherals, and not CB2S is a low-power embedded Wi-Fi - Bluetooth module that Tuya has developed. 1 OVERVIEW 2 / 22 • Intelligent building 1.2 Applications – Onboard PCB antenna with a gain of 0 dBi – Complete Bluetooth coexistence interface – 6 dBm transmit power in Bluetooth mode • Bluetooth LE connectivity – Working temperature: -40°C to 105°C – Onboard PCB antenna with a gain of 0 dBi and iOS devices – Support SmartConfig and AP network configuration manners for Android – Support STA/AP/STA+AP working mode – Up to + 16 dBm output power in 802.11b mode – Support WEP, WPA/WPA2, and WPA/WPA2 PSK (AES) security modes – Channels 1 to [email protected] GHz – 802.11 b/g/n • Wi-Fi connectivity ceiver/transmitter (UART), and 1 serial peripheral interface (SPI) • Peripherals: 5 pulse width modulations (PWM), 2 universal asynchronous re- • Working voltage: 3.0V to 3.6V • The clock rate: 120 MHz processor • Embedded low-power 32-bit CPU, which can also function as an application 1.1 Features LED control. and SPI. The six 32-bit PWM output makes the chip very suitable for high-quality dio encoding and decoding. Besides, it has rich peripherals, such as PWM, UART, specially extended instructions for processing signals can effectively implement au- flash, and 256-KB RAM, so as to support the Tuya IoT cloud connection. The MCU’s CB2S is built-in with a 32-bit MCU with a running speed of up to 120 MHz, 2Mbyte 1 Overview 2 MODULE INTERFACES •Smart household and home appliances •Smart socket and light •Industrial wireless control •Baby monitor •Network camera •Intelligent bus 1.3Change history Update dateUpdated content Version after update 04/06/2021This is the first release. V1.0.0 04/06/2021Updated test data V1.0.1 2Module interfaces 2.1Dimensions and package TheCB2Sdimensionsare17.9±0.35mm(L)×14.9±0.35mm(W)×2.8±0.1mm(H). The dimensions of CB2S are as follows: 3 / 22 2 MODULE INTERFACES 2.2Pin definition 4 / 22 2 MODULE INTERFACES Pin numberSymbolI/O typeFunction 13V3PPower supply 3V3 2P8I/OSupport hardware PWM 3GNDPPower supply reference ground 4P7I/OSupport hardware PWM 5RX1I/OUART_RX1, which is used for receiving user data and corresponds to P10 of the internal IC 6P6I/OSupport hardware PWM 7TX1I/OUART_TX1, which is used for transmitting user data and corresponds to P11 of the internal IC 8ADCI/OADC, which corresponds to P23 on the internal IC 9P24I/OSupport hardware PWM 10CENI/OReset pin 5 / 22 2 MODULE INTERFACES Pin numberSymbolI/O typeFunction 11P26I/OSupport hardware PWMC Test pointRX2I/OUART_RX2, which corresponds to P1 on the internal IC， prohibition of use this pin Test pointTX2I/OUART_TX2, which is used for outputting logs and corresponds to P0 of the internal IC Test pointCSNI/OMode selection pin. If connected to the ground before powered on, enter the firmware test mode. If not connected or connected to VCC before powered on, enter the firmware application mode Correspond to P21 on the internal IC. Note: P indicates a power supply pin and I/O indicates an input/output pin. 6 / 22 3 ELECTRICAL PARAMETERS 3Electrical parameters 3.1Absolute electrical parameters Parameter Description Minimum value Maximum valueUnit TsStorage temperature -55125°C VBATPower supply voltage -0.33.9V Static electricity discharge voltage (human body model) TAMB-25°C-44KV Static electricity discharge voltage (machine model) TAMB-25°C -200 200 V 3.2Normal working conditions Parameter Description Minimum value Typical value Maximum valueUnit TaWorking tempera- ture -4085°C VBATPower supply voltage 3.03.33.6V 7 / 22 3 ELECTRICAL PARAMETERS Parameter Description Minimum value Typical value Maximum valueUnit VOLI/O low level output VSS-VSS+0.3V VOH I/O high level output VBAT-0. 3 -VBATV ImaxI/O drive current -620mA 3.3RF power consumption Working statusModeRate Transmit power/re- ceive Average value Peak value (Typical value)) Unit Transmit…

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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 Date (04/26/2021) TUV SUD BABT UNLIMITED TCB Octagon House, Segensworth North, Fareham, Hampshire, PO15 5RL, United Kingdom Confidentiality Request FCC ID:2ANDL-CB2S 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 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 (04/26/2021) Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Modular Approval Request FCC ID: 2ANDL-CB2S 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 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) 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. (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

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-CB2S 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: April 26, 2021

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 (01/03/2020) 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；Room701,Building3,More Cent er,No.87 GuDun Road, Hangzhou, Zhejiang, China), hereby authorize Jiaxi XUfrom TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch3-13, No.151 Heng Tong Road Shanghai 201108P.R. Chinato 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, 2021). Sincerely, Company Officer:Shou XiaoDong Telephone Number:86-571-86581786 Email: [email protected]

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

Label & Location Label position Label

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

Report No: 708882102927-00A 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-CB2S Model No.:CB2S Reference RF report # 708882102926-00; 708882102927-00 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) 0.3–1.346141.63*(100)30 1.34–30824/f2.19/f*(180/f²)30 30–30027.50.0730.230 300–1,500//f/150030 1,500–100,000//1.030 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: 708882102927-00A 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 2.4GHz Wi-Fi (Report number: 708882102927-00) Maximum peak output power at antenna input terminal (dBm): 22.58 Maximum peak output power at antenna input terminal (mW): 181.13 Prediction distance (cm): 20 Antenna Gain, typical (dBi): 0 Maximum Antenna Gain (numeric): 1.00 The worst case is power density at predication frequency at 20 cm (mW/cm 2 ): 0.0360 MPE limit for general population exposure at prediction frequency (mW/cm 2 ):1.00 The max power density 0.0360 (mW/cm 2 ) < 1 (mW/cm 2 ) Result: Compliant For 2.4GHz BLE (Report number: 708882102926-00) Maximum peak output power at antenna input terminal (dBm): 5.49 Maximum peak output power at antenna input terminal (mW): 3.54 Prediction distance (cm): 20 Antenna Gain, typical (dBi): 0 Maximum Antenna Gain (numeric): 1.00 The worst case is power density at predication frequency at 20 cm (mW/cm 2 ): 0.0007 MPE limit for general population exposure at prediction frequency (mW/cm 2 ):1.00 The max power density 0.0007 (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 TONGJiaxi XUWenqiang LU EMC Section ManagerEMC Project EngineerEMC Test Engineer Date: 04-26, 2021 Date: 04-26, 20201 Date: 04-26, 2021

EMC_SHA_F_R_02.10E 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 35 Rev. 20.00 FCC - TEST REPORT Report Number:708882102926-00Date of Issue:April 26, 2021 Model:CB2S Product Type:Wi-Fiand 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:nPositiveoNegative Total pages including Appendices:35 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:708882102926-00 EMC_SHA_F_R_02.10E 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 35 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 .............................................................................................................. 17 9.4 Power spectral density .................................................................................................. 19 9.5 Spurious RF conducted emissions ............................................................................... 21 9.6 Band edge .................................................................................................................... 25 9.7 Spurious radiated emissions for transmitter .................................................................. 27 10 Test Equipment List .......................................................................................................... 32 11 System Measurement Uncertainty ................................................................................... 33 12 Photographs of Test Set-ups ............................................................................................ 34 13 Photographs of EUT ........................................................................................................ 35 Report Number:708882102926-00 EMC_SHA_F_R_02.10E 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 35 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: 820234 Test Firm IC Registration Number: 25988 Telephone:+86 21 61410123 Fax:+86 21 6140 8600 Report Number:708882102926-00 EMC_SHA_F_R_02.10E 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 35 Rev. 20.00 3 Description of the Equipment under Test Description of the Equipment Under Test Product:Wi-Fi and Bluetooth module Model no.: CB2S FCC ID: 2ANDL-CB2S Options and accessories:NA Rating:DC 3.0-3.6V RF Transmission Frequency:For 802.11b/g/n-HT20: 2412~2462 MHz For 802.11n-HT40: 2422~2452 MHz For 802.15.1:2402~2480 MHz No. of Operated Channel:2.4GHz Wi-Fi: 11 for 802.11b/802.11g/802.11n(H20) 7 for 802.11n(H40) 2.4GH…

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EMC_SHA_F_R_02.10E 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 55 Rev. 20.00 FCC - TEST REPORT Report Number:708882102927-00Date of Issue:April 26, 2021 Model:CB2S Product Type:Wi-Fiand 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:nPositiveoNegative Total pages including Appendices:55 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:708882102927-00 EMC_SHA_F_R_02.10E 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 55 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 .............................................................................................................. 16 9.4 Power spectral density .................................................................................................. 21 9.5 Spurious RF conducted emissions ............................................................................... 26 9.6 Band edge .................................................................................................................... 39 9.7 Spurious radiated emissions for transmitter .................................................................. 44 10 Test Equipment List .......................................................................................................... 52 11 System Measurement Uncertainty ................................................................................... 53 12 Photographs of Test Set-ups ............................................................................................ 54 13 Photographs of EUT ........................................................................................................ 55 Report Number:708882102927-00 EMC_SHA_F_R_02.10E 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 55 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: 820234 Test Firm IC Registration Number: 25988 Telephone:+86 21 61410123 Fax:+86 21 6140 8600 Report Number:708882102927-00 EMC_SHA_F_R_02.10E 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 55 Rev. 20.00 3 Description of the Equipment under Test Description of the Equipment Under Test Product:Wi-Fi and Bluetooth module Model no.: CB2S FCC ID: 2ANDL-CB2S Options and accessories: NA Rating:DC 3.0-3.6V RF Transmission Frequency: For 802.11b/g/n-HT20: 2412~2462 MHz For 802.11n-HT40: 2422~2452 MHz For 802.15.1:2402~2480 MHz No. of Operated Channel: 2.4GHz WIFI: 11 for 802.11b/802.11g/802.11n(H20) 7 for 802.11n(H40) 2.4…

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Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Product: Wi-Fi and Bluetooth module FCC ID: 2ANDL-CB2S 2021 Not to be reproduced, except in its entirety,Page 1 of 3 without the Permission of TÜV SÜD 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-CB2S 2021 Not to be reproduced, except in its entirety,Page 2 of 3 without the Permission of TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch 1GHz ~ 18GHz 18GHz ~ 25GHz Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Product: Wi-Fi and Bluetooth module FCC ID: 2ANDL-CB2S 2021 Not to be reproduced, except in its entirety,Page 3 of 3 without the Permission of TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch Conducted emission Test Set up