2ANDL-BS24-UBluetooth Module

BS24-U Module Datasheet Version: 20230911 Online Version Contents Contents 1 Overview2 1.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 1.2 Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 1.3 New updates. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 2 Module interfaces4 2.1 Dimensions and footprint. . . . . . . . . . . . . . . . . . . . . . . .4 2.2 Pin definition. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 3 Electrical parameters11 3.1 Absolute electrical parameters. . . . . . . . . . . . . . . . . . . . .11 3.2 Working conditions. . . . . . . . . . . . . . . . . . . . . . . . . . .11 3.3 Power consumption in working mode. . . . . . . . . . . . . . . . . .12 4 RF parameters14 4.1 Basic RF features. . . . . . . . . . . . . . . . . . . . . . . . . . . .14 4.2 Transmitter (TX) performance. . . . . . . . . . . . . . . . . . . . . .14 4.3 Receiver (RX) performance. . . . . . . . . . . . . . . . . . . . . . .14 5 Antenna information16 5.1 Antenna type. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16 5.2 Antenna interference reduction. . . . . . . . . . . . . . . . . . . . .16 6 Packing and production instructions19 6.1 Mechanical dimensions. . . . . . . . . . . . . . . . . . . . . . . . .19 6.2 Side view. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20 6.3 Schematic diagram. . . . . . . . . . . . . . . . . . . . . . . . . . .21 6.4 Recommended footprint. . . . . . . . . . . . . . . . . . . . . . . . .22 6.5 Production instructions. . . . . . . . . . . . . . . . . . . . . . . . .22 6.6 Recommended oven temperature curve. . . . . . . . . . . . . . . . .25 6.7 Storage conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . .28 7 MOQ and packaging information29 8 Appendix: Statement30 I Contents This topic describes Tuya’s proprietary BS24-U Bluetooth low energy (LE) module. It consists of a highly integrated wireless RF chip EFR32BG24 and a few peripheral components, with a built-in Bluetooth protocol stack and various library functions. 1 / 32 1 Overview 1 Overview BS24-U comes with a low-power 32-bit ARM Cortex-M33 core, 1024 KB of flash mem- ory, 128 KB of RAM, and configurable GPIOs that can function as digital peripherals for various applications. This module integrates all MAC and TCP/IP libraries. All these resources can help develop your own embedded Bluetooth LE products. 1.1 Features • Built-in low-power 32-bit CPU, ARM Cortex-M33 processor with DSP instruction and floating-point unit can act as an application processor. • Clock rate of 78 MHz. • Wide operating voltage range: 2.0V to 3.8V. • Peripherals: nine GPIO pins, one UART pin, two ADC pins, and five PWM pins. • Bluetooth LE radio frequency (RF) features –Bluetooth LE 5.3 –RF data rate of up to 2 Mbit/s –Transmitter power: +17dBm –Receiver sensitivity: -96 dBm@Bluetooth LE 1 Mbit/s –Embedded hardware Advanced Encryption Standard (AES) encryption –Onboard PCB antenna with a gain of 1.2 dBi –Operating temperature: -40°C to +105°C 1.2 Applications • Smart building • Smart home and electrical appliance • Smart socket and light • Industrial wireless control • Baby monitor • IP camera • Smart bus 1.3 New updates 2 / 32 1 Overview Update dateUpdate contentVersion June 28, 2023The first release.v1.0.0 3 / 32 2 Module interfaces 2 Module interfaces 2.1 Dimensions and footprint BS24-U has three rows of pins. The pin spacing is 1.4±0.1 mm on both sides and 1.8±0.1 mm at the bottom. The BS24-U dimensions are 20.3±0.35 mm (L) × 15.8±0.35 mm (W) × 2.5±0.15 mm (H). The following figure shows the dimensions and packaging design of the BS24-U mod- ule. 4 / 32 2 Module interfaces 5 / 32 2 Module interfaces 6 / 32 2 Module interfaces 2.2 Pin definition Pin No.SymbolI/O typeFeature 1PB4I/OA normal I/O pin, corresponding to PB04 on the IC. 2PB3I/OA normal I/O pin, corresponding to PB03 on the IC. 7 / 32 2 Module interfaces Pin No.SymbolI/O typeFeature 3PA2I/OUsed for firmware flashing, SWDIO, corresponding to PA02 on the IC. 4PA1I/OUsed for firmware flashing, SWCLK, corresponding to PA01 on the IC. 5PB2IADC pin, corresponding to PB02 on the IC. 6PA0I/OA normal I/O pin, corresponding to PA00 on the IC. 7PB0I/OA normal I/O pin, corresponding to PB00 on the IC. 8PC2I/OSupport hardware PWM, corresponding to PC02 on the IC. 9PC1I/OSupport hardware PWM, corresponding to PC01 on the IC. 10PA4I/OSupport hardware PWM, corresponding to PA04 on the IC. 11PA5I/OSupport hardware PWM, corresponding to PA05 on the IC. 8 / 32 2 Module interfaces Pin No.SymbolI/O typeFeature 12PA6I/OSupport hardware PWM, corresponding to PA06 on the IC. 13GNDPGround pin. 14VCCPPower supply pin (3.3V). 15TX0I/OUART_TXD0, used to flash the firmware and authorize the module, corresponding to PD03 on the IC. 16RX0I/O UART_RXD0, used to flash the firmware and authorize the module, corresponding to PD02 on the IC. 17PA8IADC pin, corresponding to PA08 on the IC. 18RSTI/OA reset pin, corresponding to RESETn on the IC. It is effective when pulled down. 19PA7I/OA normal I/O pin, corresponding to PA07 on the IC. 20PA3I/OA normal I/O pin, corresponding to PA03 on the IC. 9 / 32 2 Module interfaces Pin No.SymbolI/O typeFeature 21PB1I/OA normal I/O pin, corresponding to PB01 on the IC. :::info •Pindicates the power pin, and I/O indicates the input and output pin. •Pins 3, 4, 13, 14, and 18 used for firmware flashing do not need to break out by default. Motherboard tracing shall keep away from these pins. ::: 10 / 32 3 Electrical parameters 3 Electrical parameters 3.1 Absolute electrical parameters ParameterDescription Min valueMax valueUnit TsStorage temperature -50150°C VBATSupply voltage 2.03.8V Electrostatic discharge voltage (human body model) TAMB -25°C-2kV Electrostatic discharge voltage (machine model) TAMB -25°C -0.5kV 3.2 Working conditions Parameter Description Min value Typical valueMax value Unit TaOperating tempera- ture -40-105°C VCCOperating voltage 2.03.33.…

Text truncated - open the document above for the full version.

Rev 1/26/2023 Hangzhou Tuya Information Technology Co., Ltd Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2023/9/19 Ref: Attestation Statements Part 2.911(d)(7) Filing FCC ID: 2ANDL-BS24-U Hangzhou Tuya Information Technology Co., Ltd certifies that, as of the date of the filing of the application, Jingchao Wang is our designated U.S. agent for service of process for the above referenced FCC ID: 2ANDL-BS24-U 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. Jingchao Wang 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 Smart Inc. FRN: 0034102913 Address: 160 Greentree Drive, Suite 101,Dover,DELAWARE,19904 Contact Person: Jingchao Wang Tel.: 818-699-5031 Email: [email protected] Sincerely, Hangzhou Tuya Information Technology Co., Ltd Tuya Smart Inc. Linyun Li Jingchao Wang

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: 07-02-2023 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-BS24-U 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]

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 (06/06/2023) TUV SUD BABT UNLIMITED TCB Octagon House, Segensworth North, Fareham, Hampshire, PO15 5RL, United Kingdom Confidentiality Request FCC ID: 2ANDL-BS24-U 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: Company Officer: 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 Date (06/06/2023) 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 ；Room701,Building3,More Center,No.87 GuDun Road, Hangzhou, Zhejiang, China), 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. 30, 2023). Sincerely, Company Officer: 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 Date (06/06/2023) Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Modular Approval Request FCC ID: 2ANDL-BS24-U 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 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: Manager

External Photos Documentation Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Page 1 of 1 Product: Bluetooth module FCC ID: 2ANDL-BS24-U Antenna

Label location

Internal Photos Documentation Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Page 1 of 1 Product: Bluetooth module FCC ID: 2ANDL-BS24-U

Report No: 709502306830-00B 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: Bluetooth Module FCC ID: 2ANDL-BS24-U Model No.: BS24-U Reference RF report # 709502306830-00A 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: 709502306830-00B 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: onboard PCB Antenna For 2.4GHz BLE (Report number: 709502306830-00A) Maximum peak output power at antenna input terminal (dBm): 16.88 Maximum peak output power at antenna input terminal (mW): 48.75 Prediction distance (cm): 20 Antenna Gain, typical (dBi): 1.2 Maximum Antenna Gain (numeric): 1.32 The worst case is power density at predication frequency at 20 cm (mW/cm 2 ): 0.0128 MPE limit for general population exposure at prediction frequency (mW/cm 2 ): 1.00 The max power density 0.00128 (mW/cm2) < 1 (mW/cm2) Result: Compliant - TÜV SÜD Certification and Testing (China) Co., Ltd. Shanghai Branch Reviewed by: Prepared by: Tested by: _____________________ _____________________ ______________________ Hui TONG Wenqiang LU Jianqing ZENG EMC Section Manager EMC Project Engineer EMC Test Engineer Date: 10-07, 2023 Date: 10-07, 2023 Date: 10-07, 2023

Antenna Specification Manufacture：TUYA Product Name：BS24-U Antenna Antenna Type：PCB Test Date：2023.09.11 Tested by：Youbi 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................................................................................................ 6 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 BS24-U Antenna Product model BS24-U 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 (%) 2400 0.97 45.29 2410 0.79 44.46 2420 1.11 44.98 2430 0.84 47.64 2440 0.82 44.16 2450 0.11 51.17 2460 1.2 43.15 2470 1.15 47.21 2480 1.07 42.17 2490 0.9 43.65 2500 0.58 41.88 4 3.2 Radiation Pattern Phi 0 2D Phi 90 2D Theta 90 2D 5 2400MHz 3D 放类似图Z轴朝上 2450MHz 3D 2500MHz 3D 6 4.Antenna Dimensions 5.EUT Photo 7 6.Test Setup Photo

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 49 Rev. 20.00 FCC - TEST REPORT Report Number : 709502306830-00A Date of Issue: October 07, 2023 Model : BS24-U Product Type : 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 : 49 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: 709502306830-00A 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 49 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 .......................................................................................................................... 17 9.3 6dB bandwidth ................................................................................................................................................... 20 9.4 Power spectral density ...................................................................................................................................... 23 9.5 Spurious RF conducted emissions ................................................................................................................... 26 9.6 Band edge .......................................................................................................................................................... 33 9.7 Spurious radiated emissions for transmitter .................................................................................................... 38 10 Test Equipment List ............................................................................................................................................... 46 11 System Measurement Uncertainty ....................................................................................................................... 47 12 Photographs of Test Set-ups ................................................................................................................................ 48 13 Photographs of EUT .............................................................................................................................................. 49 Report Number: 709502306830-00A 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 49 Rev. 20.00 2 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: Designation number: 820234 CN11…

Text truncated - open the document above for the full version.

Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Product: Bluetooth module FCC ID: 2ANDL-BS24-U ©2023 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 Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Product: Bluetooth module FCC ID: 2ANDL-BS24-U ©2023 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 Manufacturer: Hangzhou Tuya Information Technology Co.,Ltd Product: Bluetooth module FCC ID: 2ANDL-BS24-U ©2023 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