2ARMD-AUDIOBI2SBluetooth audio module

AudioBI2S BluetoothDigitalAudioReceiverModule User Manual FCC ID: 2ARMD-AUDIOBI2S List 1Features ------------------------------------------------------------------------- 1 2Applications --------------------------------------------------------------------- 1 3Description ---------------------------------------------------------------------- 1 4PinFunctions ------------------------------------------------------------------ 2 5Bluetoothprogramming ----------------------------------------------------- 2 6TypicalApplication ------------------------------------------------------------ 3 7Dimensions --------------------------------------------------------------------- 4 8FCCStatement ---------------------------------------------------------------- 5 1 1Features Bluetooth5.1 I2Sdigitaloutput SamplingRate:48KHz BitperSample:16bit LeftJustified JustifiedData1bitdelay Apt-Xsupported Lowpowerconsumption:5mA@5V HFPV1.6 HSPV1.2 A2DPV1.2 AVRCPv1.4 Supportforsmartphoneapplication(APPs) 2Applications Personalcomputer Backgroundmusicsystem Musicalinstrumentamplifiers HomeDIY Caraudio 3Description IfyouwanttobuildadigitalBluetoothamplifierboard,AudioBI2SBluetoothaudioreceiver moduleisagoodchoiceforyourproject.ThisisaBluetooth5.0stereoreceviermodule,I2S digitaloutputandmusicresamplingfrequencyis48KHz.ItsupportsApt-Xsupported,anditis basedonQCC3031.Webreakoutpinsto2x102mmspacemalepins.Youcanintegrateittoyour projecteasily.ThismodulehasaU.FLconnector.Youcanconnectanexternal2.4Gantennawith itbyusingaU.FLtoSMAcable. 2 4PinFunctions 5Bluetoothprogramming AudioBI2ShasamicroUSBport,youcandotheprogrammingviatheUSBport.Youcanchange theBTname,Audiotones,Firmwareect...byusingtheofficialQualcommsoftware. 3 6TypicalApplication AudioBI2ScanworkwithTinysineaudioamplifierboardwhichsupportsI2Sinput,youcanalso useitwithyouraudioamplifierboard,followingpictureshowsthetypicalapplicationofthis module. ThemodulePIN7,8,9,10areI2Soutputpins,I2Svoltageis3.3V. 7-GND 8-BCKI2Ssynchronousdataclock,It'sa2.304MHzsquarewavesignal. 9-SDI2Ssynchronousdataoutput. 10-LRCKI2Swordselect,48KHz.1-Leftchanneldata,0-Rightchanneldata. 4 7Dimensions 5 8 FCC Statement This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1)This device may not cause harmful interference, and (2)this device must accept any interference received, including interference that may cause undesired operation. FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. RF Exposure This device complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment can be used as portable exposure without any restriction. Radiation Exposure Statement This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Country Code selection feature to be disabled for products marketed to the US/Canada. This device is intended only for OEM integrators under the following conditions: 1.The antenna must be installed such that 20 cm is maintained between the antenna and users, and 2.The transmitter module may not be co-located with any other transmitter or antenna, 3.For all products market in US, OEM has to limit the operation channels in CH1 to CH79 for 2.4G band by supplied firmware programming tool. OEM shall not supply any tool or info to the end-user regarding to Regulatory Domain change. (if modular only test Channel 1-79) As long as the three conditions above are met, further transmitter testing will not be required. However, the OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed. End Product Labeling The final end product must be labeled in a visible area with the following" Contains FCC ID: 2ARMD-AUDIOBI2S" Manual Information to the End User The OEM integrator has to be aware not to provide information to the end user regarding how to install or remove this RF module in the user’s manual of the end product which integrates this module. The end user manual shall include all required regulatory information/warning as show in this manual Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01. 2.2 List of applicable FCC rules CFR 47FCC PART15 SUBPART C & E has been investigated. lt is applicable to the modular transmitter 2.3 Specific operational use conditions This module is stand-alone modular. If the end product will involve the Multiple simultaneously transmitting condition or different operational conditions for a stand-alone modular transmitter in a host, host manufacturer have to consult with module manufacturer for the installation method in end system. 2.4 Limited module procedures Not applicable 2.5 Trace antenna designs Not applicable 2.6 RF exposure considerations This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body. 2.7 Antennas This radio transmitter FCC ID: 2ARMD-AUDIOBI2S has been approved by Federal Communications Commission to operate with the antenna types listed below, with the maximum permissible gain indicated. Antenna types not included in this list that have a gain greater than the maximum gain indicated for any type listed are strictly prohibited for use with this device. Antenna No.:Bluetooth Type of antenna: PCB Antenna Gain of the antenna (Max.):3.5 dBi Frequency range:2402-2480MHz 2.8 Label and complian…

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Page 1 of 4 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity External Photos of the EUT Fig. 1 Fig. 2 Antenna Page 2 of 4 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 3 Fig. 4 Page 3 of 4 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 5 Fig. 6 Page 4 of 4 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 7

Page 1 of 1 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity LABEL AND LOCATION (Size: L 2.0cm x W 1.5cm) Label Location Bluetooth audio module Model: AudioB I2S FCC ID: 2ARMD-AUDIOBI2S

Page 1 of 2 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Internal Photos of the EUT Fig. 1 Fig. 2 Page 2 of 2 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Fig. 3

Page 1 of 5 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Maximum Permissible Exposure Report 1. Product Information EUT : Bluetooth audio module Test Model : AudioB I2S Power Supply : Input: 5V, 15mA Hardware Version : V3r1 Software Version : V1.0 Bluetooth Frequency Range : 2402MHz~2480MHz Channel Number : 79 channels for Bluetooth V5.1(DSS) 40 channels for Bluetooth V5.1 (DTS) Channel Spacing : 1MHz for Bluetooth V5.1 (DSS) 2MHz for Bluetooth V5.1 (DTS) Modulation Type : GFSK, π/4-DQPSK, 8-DPSK for Bluetooth V5.1(DSS) GFSK for Bluetooth V5.1 (DTS) Bluetooth Version : V5.1 Antenna Description : External Antenna, 3.5dBi(Max.) Exposure category : General population/uncontrolled environment EUT Type : Production Unit Device Type : Mobile Devices 2. Evaluation Method Systems operating under the provisions of FCC 47 CFR 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. In accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091 this device has been defined as mobile device whereby a distance of 0.2m normally can be maintained between the user and the device, and below RF Permissible Exposure limit shall comply with. In accordance with KDB447498D01 for Simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on the calculated/estimated, numerically modelled or measured field strengths or power density, is ≤ 1.0. The MPE ratio of each antenna is determined at the minimum test separation distance required by the operating configurations and exposure conditions of the host device, according to the ratio of field strengths or power density to MPE limit, at the test frequency. Either the maximum peak or spatially averaged results from measurements or numerical simulations may be used to determine the MPE ratios. Spatial averaging does not apply when MPE is estimated using simple calculations based on far-field plane-wave equivalent conditions. The antenna installation and operating requirements for the host device must meet the minimum test separation distances required by all antennas, in both standalone and simultaneous transmission operations, to satisfy compliance. 3. Limit 3. 1 Refer Evaluation Method Page 2 of 5 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity ANSI C95.1–2019: IEEE Standard for Safety Levels with Respect to Human Exposure to Electric, Magnetic, and Electromagnetic Fields, 0 Hz to 300 GHz FCC KDB publication 447498 D01 General 1 RF Exposure Guidance v06: Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies. FCC CFR 47 part1 1.1310: Radiofrequency radiation exposure limits. FCC CFR 47 part2 2.1091: Radiofrequency radiation exposure evaluation: mobile devices. 3. 2 Limit Limits for Maximum Permissible Exposure (MPE)/Controlled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Controlled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 1842/f 61.4 / / 1.63 4.89/f 0.163 / / (100) * (900/f 2 )* 1.0 f/300 5 6 6 6 6 6 Limits for Maximum Permissible Exposure (MPE)/Uncontrolled Exposure Frequency Range(MHz) Electric Field Strength(V/m) Magnetic Field Strength(A/m) Power Density (mW/cm²) Averaging Time (minute) Limits for Occupational/Uncontrolled Exposure 0.3 – 3.0 3.0 – 30 30 – 300 300 – 1500 1500 – 100,000 614 824/f 27.5 / / 1.63 2.19/f 0.073 / / (100) * (180/f 2 )* 0.2 f/1500 1.0 30 30 30 30 30 F=frequency in MHz *=Plane-wave equivalent power density 4. MPE Calculation Method Predication of MPE limit at a given distance Equation from page 18 of OET Bulletin 65, Edition 97-01 S=PG/4πR² Where: S=power density P=power input to antenna G=power gain of the antenna in the direction of interest relative to an isotropic radiator R=distance to the center of radiation of the antenna 5. Antenna Information EUT can only use antennas certificated as follows provided by manufacturer; Antenna type and antenna number Operate frequency band Maximum antenna gain Note External Antenna 2400-2500MHz 3.5dBi Bluetooth Antenna Page 3 of 5 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity 6. Conducted Power [BT] Mode Channel Frequency (MHz) Peak Conducted Output Power (dBm) GFSK 0 2402 0.28 39 2441 0.1 79 2480 -0.65 π/4-DQPSK 00 2402 0.8 39 2441 1.25 79 2480 0.02 8-DPSK 00 2402 0.87 39 2441 1.4 79 2480 0.15 [BT LE] Mode Channel Frequency (MHz) Peak Conducted Output Power (dBm) GFSK 0 2402 0.75 19 2440 1.05 39 2480 0.27 [BT 2LE] Mode Channel Frequency (MHz) Peak Conducted Output Power (dBm) GFSK 0 2402 0.55 19 2440 0.85 39 2480 0.12 7. Manufacturing Tolerance <BT> GFSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) 0 0 0 Tolerance ± (dB) 1.0 1.0 1.0 π/4DQPSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) 0 1.0 0 Tolerance ± (dB) 1.0 1.0 1.0 8DPSK (Peak) Channel Channel 0 Channel 39 Channel 78 Target (dBm) 0 1.0 0 Tolerance ± (dB) 1.0 1.0 1.0 Page 4 of 5 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add:…

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Shenzhen Kexin Wireless Technology Co., Ltd Address：Building H,Shabeili Hongyongli Industrial Zone,Longxin Community,Baolong Street, Shenzhen,Guangdong,China TEL:0755-289063500755-28220572 FAX：0755-28483275 Datasheet 1.Product Specifications： Electrical Specifications Frequency Range (MHz)2400-2500 Input Impendence (Ω)50 V.S.W.R ≤2.0 Gain (dBi) 3.0 ± 0.5 Polarization TypeVertical Maximum power(W) 10W Vertical lobe Angle（E）45~60° Water plane lobe Angle（H）360° Mechanical Specifications MaterialPCB Connect TypeIPEX(Gen 1) Size47*7*0.7MM Operating Temp-20 ~ +80 ̊C Storage Temp-30 ~ +80 ̊C Shenzhen Kexin Wireless Technology Co., Ltd Address：Building H,Shabeili Hongyongli Industrial Zone,Longxin Community,Baolong Street, Shenzhen,Guangdong,China TEL:0755-289063500755-28220572 FAX：0755-28483275 2.Product Size： 3.Electrical Specifications Test Report： VSWR： Shenzhen Kexin Wireless Technology Co., Ltd Address：Building H,Shabeili Hongyongli Industrial Zone,Longxin Community,Baolong Street, Shenzhen,Guangdong,China TEL:0755-289063500755-28220572 FAX：0755-28483275 Shenzhen Kexin Wireless Technology Co., Ltd Address：Building H,Shabeili Hongyongli Industrial Zone,Longxin Community,Baolong Street, Shenzhen,Guangdong,China TEL:0755-289063500755-28220572 2D radiation patterns： Legend： 2400.00MHz 2410.00MHz 2420.00MHz 2430.00MHz 2440.00MHz 2450.00MHz 2460.00MHz 2470.00MHz 2480.00MHz 2490.00MHz 2500.00MHz FAX：0755-28483275 3D radiation patterns：

Page 1 of 60 FCC ID:2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Appendix A RF Test Data for BT (Conducted Measurement) Product Name: Bluetooth audio module Test Model: AudioB I2S Environmental Conditions Temperature: 23.8 C Relative Humidity: 52.1% ATM Pressure: 100.0 kPa Test Engineer: Jay Luo Supervised by: Nick Peng Page 2 of 60 FCC ID:2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity A.1 -20dB Bandwidth Condition Mode Frequency (MHz) Antenna -20 dB Bandwidth (MHz) Limit -20 dB Bandwidth (MHz) Verdict NVNT 1-DH5 2402 Ant1 0.954 N/A Pass NVNT 1-DH5 2441 Ant1 0.936 N/A Pass NVNT 1-DH5 2480 Ant1 0.951 N/A Pass NVNT 2-DH5 2402 Ant1 1.287 N/A Pass NVNT 2-DH5 2441 Ant1 1.28 N/A Pass NVNT 2-DH5 2480 Ant1 1.286 N/A Pass NVNT 3-DH5 2402 Ant1 1.293 N/A Pass NVNT 3-DH5 2441 Ant1 1.293 N/A Pass NVNT 3-DH5 2480 Ant1 1.3 N/A Pass Page 3 of 60 FCC ID:2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Test Graphs -20dB Bandwidth NVNT 1-DH5 2402MHz Ant1 -20dB Bandwidth NVNT 1-DH5 2441MHz Ant1 Page 4 of 60 FCC ID:2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity -20dB Bandwidth NVNT 1-DH5 2480MHz Ant1 -20dB Bandwidth NVNT 2-DH5 2402MHz Ant1 Page 5 of 60 FCC ID:2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity -20dB Bandwidth NVNT 2-DH5 2441MHz Ant1 -20dB Bandwidth NVNT 2-DH5 2480MHz Ant1 Page 6 of 60 FCC ID:2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity -20dB Bandwidth NVNT 3-DH5 2402MHz Ant1 -20dB Bandwidth NVNT 3-DH5 2441MHz Ant1 Page 7 of 60 FCC ID:2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity -20dB Bandwidth NVNT 3-DH5 2480MHz Ant1 Page 8 of 60 FCC ID:2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity A.2 Maximum Peak Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Limit (dBm) Verdict NVNT 1-DH5 2402 Ant1 0.28 21 Pass NVNT 1-DH5 2441 Ant1 0.1 21 Pass NVNT 1-DH5 2480 Ant1 -0.65 21 Pass NVNT 2-DH5 2402 Ant1 0.8 21 Pass NVNT 2-DH5 2441 Ant1 1.25 21 Pass NVNT 2-DH5 2480 Ant1 0.02 21 Pass NVNT 3-DH5 2402 Ant1 0.87 21 Pass NVNT 3-DH5 2441 Ant1 1.4 21 Pass NVNT 3-DH5 2480 Ant1 0.15 21 Pass Page 9 of 60 FCC ID:2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Test Graphs Power NVNT 1-DH5 2402MHz Ant1 Power NVNT 1-DH5 2441MHz Ant1 Page 10 of 60 FCC ID:2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Power NVNT 1-DH5 2480MHz Ant1 Power NVNT 2-DH5 2402MHz Ant1 Page 11 of 60 FCC ID:2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Power NVNT 2-DH5 2441MHz Ant1 Power NVNT 2-DH5 2480MHz Ant1 Page 12 of 60 FCC ID:2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Power NVNT 3-DH5 2402MHz Ant1 Power NVNT 3-DH5 2441MHz Ant1 Page 13 of 60 …

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Page 1 of 38 FCC ID: 2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity FCC TEST REPORT FOR Tinysine Electronics Bluetooth audio module Test Model: AudioB I2S Prepared for : Tinysine Electronics Address : 10-301 Shen Gang Cheng, Xiang Zhang Road, Hefei, 230088, Anhui, China Prepared by : Shenzhen LCS Compliance Testing Laboratory Ltd. Address : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel : (+86)755-82591330 Fax : (+86)755-82591332 Web : www.LCS-cert.com Mail : [email protected] Date of receipt of test sample : August 19, 2024 Number of tested samples : 2 Sample No. ： A240815097-1, A240815097-2 Serial number : Prototype Date of Test : August 19, 2024 ~ August 30, 2024 Date of Report : September 02, 2024 Page 2 of 38 FCC ID: 2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity FCC TEST REPORT FCC CFR 47 PART 15 C (15.247) Report Reference No. ................. : LCSA08194067EA Date of Issue ................................... : September 02, 2024 Testing Laboratory Name ............ : Shenzhen LCS Compliance Testing Laboratory Ltd. Address ........................................... : 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Testing Location/ Procedure ........... : Full application of Harmonised standards ■ Partial application of Harmonised standards □ Other standard testing method □ Applicant’s Name .......................... : Tinysine Electronics Address ........................................... : 10-301 Shen Gang Cheng, Xiang Zhang Road, Hefei, 230088, Anhui, China Test Specification Standard.......................................... : FCC CFR 47 PART 15 C (15.247) Test Report Form No. ..................... : TRF-4-E-148 A/0 TRF Originator ................................ : Shenzhen LCS Compliance Testing Laboratory Ltd. Master TRF ..................................... : Dated 2011-03 Shenzhen LCS Compliance Testing Laboratory Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen LCS Compliance Testing Laboratory Ltd. is acknowledged as copyright owner and source of the material. Shenzhen LCS Compliance Testing Laboratory Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test Item Description. .................. : Bluetooth audio module Trade Mark ...................................... : Tinysine Test Model ...................................... : AudioB I2S Ratings ............................................ : Input: 5V, 15mA Result ........................................... : Positive Compiled by: Supervised by: Approved by: Vera Deng/ Administrator Cary Luo/ Technique principal Gavin Liang / Manager Page 3 of 38 FCC ID: 2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity FCC -- TEST REPORT Test Result Positive The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Test Report No. : LCSA08194067EA September 02, 2024 Date of issue Test Model.............................. : AudioB I2S EUT......................................... : Bluetooth audio module Applicant............................... : Tinysine Electronics Address................................... : 10-301 Shen Gang Cheng, Xiang Zhang Road, Hefei, 230088, Anhui, China Telephone............................... : / Fax.......................................... : / Manufacturer......................... : Tinysine Electronics Address................................... : 10-301 Shen Gang Cheng, Xiang Zhang Road, Hefei, 230088, Anhui, China Telephone............................... : / Fax.......................................... : / Factory................................... : Tinysine Electronics Address................................... : 10-301 Shen Gang Cheng, Xiang Zhang Road, Hefei, 230088, Anhui, China Telephone............................... : / Fax.......................................... : / Page 4 of 38 FCC ID: 2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Revision History Report Version Issue Date Revision Content Revised By 000 September 02, 2024 Initial Issue --- Page 5 of 38 FCC ID: 2ARMD-AUDIOBI2S Report No.: LCSA08194067EA Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity TABLE OF CONTENTS Description Page 1. GENERAL INFORMATION ......................................................…

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Page 1 of 2 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Test Setup Photos of the EUT Test Setup Photo(s) of Radiated Emissions Measurement Fig. 1 Fig. 2 Page 2 of 2 FCC ID: 2ARMD-AUDIOBI2S Shenzhen LCS Compliance Testing Laboratory Ltd. Add: 101, 201 Bldg A & 301 Bldg C, Juji Industrial Park Yabianxueziwei, Shajing Street, Baoan District, Shenzhen, 518000, China Tel: +(86) 0755-82591330 | E-mail: [email protected] | Web: www.lcs-cert.com Scan code to check authenticity Test Setup Photo(s) of Conducted Emissions Measurement Fig. 4