2AR7VC-2SBluetooth Module and 2.4G WIFI Module

ShenzhenCoreTechnologyCo.Ltd SHENZHENSHIXINZHONGXINTECHNOLOGYCO.,LTD. Address:A3Building,ShajingDonghuanIndustrialZone,BaoanDistrict,Shenzhen, Tel:0755-29179480/81/82Fax:0755-84736169 Companyaddress:WWW.C-CHIP.COM.CN C-2S_V1.0 C-2Sspecification (WiFi&BLEmodule) productmodel：C-2S documentnumber：XZX_RD_SP_C-2SV1.0 hardwareversion：V1.0 RevisionNo：V1.0 commencementdate：2020-08-19 Documentscontaining(C-CHIP)confidentialdocumentsmaynotbepassedonwithout permission Fileinclude(C-CHIP)classifieddocuments,withoutpermission,cannotbeexcluded ShenzhenCoreTechnologyCo.Ltd SHENZHENSHIXINZHONGXINTECHNOLOGYCO.,LTD. Address:A3Building,ShajingDonghuanIndustrialZone,BaoanDistrict,Shenzhen, Tel:0755-29179480/81/82Fax:0755-84736169 Companyaddress:WWW.C-CHIP.COM.CN C-2S_V1.0 ChangerecordChangeHistory： Changerecord VersionRevisedcontentPageRevisiondateRevisionAuditor V1.0Initialdevelopment/ 2020-08-19 WuDelong Contactinformation Website:WWW.C-CHIP.COM.CN Tel:0755-29179480/81/82 Fax:0755-84736169 Address:A3Dong,ShajingDonghuanIndustrialZone,BaoanDistrict,Shenzhen ShenzhenCoreTechnologyCo.Ltd SHENZHENSHIXINZHONGXINTECHNOLOGYCO.,LTD. Address:A3Building,ShajingDonghuanIndustrialZone,BaoanDistrict,Shenzhen, Tel:0755-29179480/81/82Fax:0755-84736169 Companyaddress:WWW.C-CHIP.COM.CN C-2S_V1.0 Directory 1SummarySummary................................................................................................................................................3 2BasiccharacteristicsFeatures.................................................................................................................................4 3ApplicationApplicationField................................................................................................................................4 4BoxModuleblockdiagram....................................................................................................................................5 5PerformanceParameterofperformanceparameters..................................................................................5 5.1Moduleparameters ................................................................................................................................ 5 5.2 Recommendedworkingconditions ........................................................................................................ 6 5.3Maximumrange ...................................................................................................................................... 6 5.4 Current .................................................................................................................................................... 6 5.5RFparameters ......................................................................................................................................... 7 5.6 Input/outputterminalcharacteristics .................................................................................................... 7 5.7Electrostatictesting ................................................................................................................................ 7 6ModuleSizeChartandFootDefiningMechanicalSizeandPinDefinition.........................................................8 6.1ModuleSizeChart ................................................................................................................................... 8 6.2 ModuleFootBitDefinitionChart ........................................................................................................... 8 6.3PinFunctionDescription ........................................................................................................................ 8 7ApplicationNoteforNote....................................................................................................................................10 8ReflowTemperatureProfilerecommendedrefluxtemperature...........................................................................11 1SummarySummary C-2SisintegratedWIFI&BluetoothBLEdual-modemodule,usingC-CHIPCC8000_QFN32--integrated ShenzhenCoreTechnologyCo.Ltd SHENZHENSHIXINZHONGXINTECHNOLOGYCO.,LTD. Address:A3Building,ShajingDonghuanIndustrialZone,BaoanDistrict,Shenzhen, Tel:0755-29179480/81/82Fax:0755-84736169 Companyaddress:WWW.C-CHIP.COM.CN C-2S_V1.0 singlechipscheme.ARM932-bitMCUkernel,120MHzmainfrequency,built-in256KBRAM. Supports802.11b/g/nWIFIstandards. • Support802.11b/g/nstandards •Station,SoftAP,Station+SoftAPsupport • MaximumtransmissionrateMHz72.2Mbpsusing20bandwidth Modulebuilt-inboardantenna,externalantennaoptional Workingvoltage:DC3.3-3.6V, Workingambienttemperature:-20°Cto+85°C 2BasiccharacteristicsFeatures • SupportingBTLE4.2standards, • support802.11b/g/n1x1protocol •b：1,2,5.5,11802.11 • g：6,9,12,18,24,36,48,54802.11 •802.11nHT20：MCS0~7 •Support20 MHzbandwidthandSTBC •STA/AP/Direct/Repeaternetworkmodel supported • SupportSGI、Green-FieldPreambleand A-MPDU •SupportingWPA,WPA2,WAPIsecurity mechanisms • 50MHzSDIOinterfacesupport •On-chip2MFLASH,extendto4M,support transparentdownload • Supportblockreply •Supportfragmentationandreorganization • SupportInfrastructureNetwork (InfrastructureBSS)Station/SoftAP Mode Interfaceandexternalequipment •1xUARTInterface •1xI2C(Reuse) •5xPMWOutput • 8ProgrammableGPIO(Multiplexing) •1xADCInterface 3ApplicationApplicationField •IOTInternetofthingsapplications •SmartHome •Industrialcontrol •Networkequipment ShenzhenCoreTechnologyCo.Ltd SHENZHENSHIXINZHONGXINTECHNOLOGYCO.,LTD. Address:A3Building,ShajingDonghuanIndustrialZone,BaoanDistrict,Shenzhen, Tel:0755-29179480/81/82Fax:0755-84736169 Companyaddress:WWW.C-CHIP.COM.CN C-2S_V1.0 4BoxModuleblockdiagram 5PerformanceParameterofperformanceparameters 5.1 Moduleparameters Moduleparameters WirelessstandardsWIFI802.11b/g/n,1T1R Antennaantenna Frequencyrange Transmissionpower dBmIEEE802.11b<17 dBmIEEE802.11g<14 dBmIEEE802.11n<13 dbmBLE<6 Receivingsensitivity <unk6>b<-90dB <unk6>g<-73dB <unk6>n<-71dB BLE<-95dB WirelessnetworktypeSTA/AP/…

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 1 of 2 External Photos for SZCR210302002AT FCC ID: 2AR7VC-2S SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 2 of 2 1 EUT Constructional Details

Label: size 3*10mm Label location: FCC ID: 2AR7VC-2S

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 1 of 3 Internal Photos for SZCR210302002AT FCC ID: 2AR7VC-2S SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 2 of 3 1 EUT Constructional Details ANTENNA: SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 3 of 3

SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000203 Page: 1 of 7 Keny Xu EMC Laboratory Manager RF Exposure Evaluation Report Application No.: SZCR2103020002AT Applicant: XIAMENSHI C-CHIP Co., Ltd Address of Applicant: 1008 Guanyinshan, Operating Center, Siming District, Xiamen, China Manufacturer: SHENZHENSHI XINZHONGXIN TECHNOLOGY CO., LTD. Address of Manufacturer: Block 3, Dong Huan Industrial Park, Sha Jing Town, Bao’an District, Shenzhen City, Guangdong, Province, China Factory: SHENZHENSHI XINZHONGXIN TECHNOLOGY CO., LTD. Address of Factory: Block 3, Dong Huan Industrial Park, Sha Jing Town, Bao’an District, Shenzhen City, Guangdong, Province, China Equipment Under Test (EUT): EUT Name: Bluetooth Module+2.4G WIFI Module Model No.: C-2S Trade mark: C-chip FCC ID: 2AR7VC-2S Standard(s) : 47 CFR Part 1.1307 47 CFR Part 1.1310 47 CFR Part 2.1091 Date of Receipt: 2021-03-12 Date of Test: 2021-03-25 to 2021-04-11 Date of Issue: 2021-04-28 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000203 Page: 2 of 7 Revision Record Version Chapter Date Modifier Remark 01 2021-04-28 Original Authorized for issue by: Charlie Dai/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000203 Page: 3 of 7 2 Contents Page 1 COVER PAGE ............................................................................................................................................ 1 2 CONTENTS ................................................................................................................................................ 3 3 GENERAL INFORMATION ........................................................................................................................ 4 3.1 DETAILS OF E.U.T. ............................................................................................................................... 4 3.2 DESCRIPTION OF SUPPORT UNITS ......................................................................................................... 5 3.3 TEST LOCATION .................................................................................................................................... 5 3.4 TEST FACILITY ...................................................................................................................................... 5 3.5 DEVIATION FROM STANDARDS ............................................................................................................... 5 3.6 ABNORMALITIES FROM STANDARD CONDITIONS ..................................................................................... 5 4 RADIO SPECTRUM TECHNICAL REQUIREMENT ................................................................................. 6 4.1 RF EXPOSURE ..................................................................................................................................... 6 4.1.1 Test Requirement: ......................................................................................................................... 6 4.1.2 EUT RF Exposure Evaluation ........................................................................................................ 7 SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000203 Page: 4 of 7 3 General Information 3.1 Details of E.U.T. Power supply: DC 5.0V For BLE: Operation Frequency: 2402MHz to 2480MHz Bluetooth Version: V4.2 LE Modulation Type: GFSK Channel Spacing: 2MHz Data Rate: 1Mb/s Number of Channels: 40 Antenna Type: PCB Antenna Antenna Gain: 0dBi For 2.4G WIFI Operation Frequency: 802.11b/g/n(HT20): 2412MHz to 2462MHz Modulation Type: 802.11b: DSSS (CCK, DQPSK, DBPSK), 802.11g/n: OFDM (64QAM, 16QAM, QPSK, BPSK) Channel Spacing: 5MHz Number of Channels: 802.11b/g/n(HT20): 11 Antenna Type: PCB Antenna Antenna Gain: 0dBi SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000203 Page: 5 of 7 3.2 Description of Support Units The EUT has been tested as an independent unit. 3.3 Test Location All tests were performed at: SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen Branch No. 1 Workshop, M-10, Middle Section, Science & Technology Park, Shenzhen, Guangdong, China. 518057. Tel: +86 755 2601 2053 Fax: +86 755 2671 0594 No tests were sub-contracted. 3.4 Test Facility The test facility is recognized, certified, or accredited by the following organizations: • A2LA (Certificate No. 3816.01) SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory is accredited by the American Association for Laboratory Accreditation(A2LA). Certificate No. 3816.01. • VCCI The 3m Fully-anechoic chamber for above 1GHz, 10m Semi-anechoic chamber for below 1GHz, Shielded Room for Mains Port Conducted Interference Measurement and Telecommunication Port Conducted Interference Measurement of SGS-CSTC Standards Technical Services Co., Ltd. have been registered in accordance with the Regulations for Voluntary Control Measures with Registration No.: G-20026, R-14188, C-12383 and T-11153 respectively. • FCC –Designation Number: CN1178 SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory has been recognized as an accredited testing laboratory. Designation Number: CN1178. Test Firm Registration Number: 406779. • Innovation, Science and Economic Development Canada SGS-CSTC Standards Technical Services Co., Ltd., Shenzhen EMC Laboratory has been recognized by ISED as an accredited testing laboratory. CAB identifier: CN0006. IC#: 4620C. 3.5 Deviation from Standards None 3.6 Abnormalities from Standard Conditions None SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000203 Page: 6 of 7 4 Radio Spectrum Technical Requirement 4.1 RF Exposure 4.1.1 Test Requirement: CFR 47 Part 1.1310 Limit…

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000201 Page: 1 of 52 Keny Xu EMC Laboratory Manager TEST REPORT Application No.: SZCR2103020002AT Applicant: XIAMENSHI C-CHIP Co., Ltd Address of Applicant: 1008 Guanyinshan, Operating Center, Siming District, Xiamen, China Manufacturer: SHENZHENSHI XINZHONGXIN TECHNOLOGY CO., LTD. Address of Manufacturer: Block 3, Dong Huan Industrial Park, Sha Jing Town, Bao’an District, Shenzhen City, Guangdong, Province, China Factory: SHENZHENSHI XINZHONGXIN TECHNOLOGY CO., LTD. Address of Factory: Block 3, Dong Huan Industrial Park, Sha Jing Town, Bao’an District, Shenzhen City, Guangdong, Province, China Equipment Under Test (EUT): EUT Name: Bluetooth Module+2.4G WIFI Module Model No.: C-2S Trade Mark: C-chip FCC ID: 2AR7VC-2S Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2021-03-12 Date of Test: 2021-03-25 to 2021-04-11 Date of Issue: 2021-04-28 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000201 Page: 2 of 52 Revision Record Version Chapter Date Modifier Remark 01 2021-04-28 Original Authorized for issue by: Charlie Dai/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000201 Page: 3 of 52 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.247 N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Peak Output Power 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.9.1 47 CFR Part 15, Subpart C 15.247(b)(3) Pass Minimum 6dB Bandwidth ANSI C63.10 (2013) Section 11.8.1 47 CFR Part 15, Subpart C 15.247a(2) Pass Power Spectrum Density ANSI C63.10 (2013) Section 11.10.2 47 CFR Part 15, Subpart C 15.247(e) Pass Conducted Band Edges Measurement ANSI C63.10 (2013) Section 11.13.3.2 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2013) Section 11.11 47 CFR Part 15, Subpart C 15.247(d) Pass Radiated Emissions which fall in the restricted bands ANSI C63.10 (2013) Section 6.10.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions ANSI C63.10 (2013) Section 6.4,6.5,6.6 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Emission Part Item Standard Method Requirement Result Conducted Emissions at AC Power Line (150kHz-30MHz) 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 6.2 47 CFR Part 15, Subpart C 15.207 Pass SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000201 Page: 4 of 52 3 Contents Page 1 COVER PAGE ............................................................................................................................................ 1 2 TEST SUMMARY ....................................................................................................................................... 3 3 CONTENTS ................................................................................................................................................ 4 4 GENERAL INFORMATION ........................................................................................................................ 6 4.1 DETAILS OF E.U.T. ............................................................................................................................... 6 4.2 DESCRIPTION OF SUPPORT UNITS ......................................................................................................... 6 4.3 MEASUREMENT UNCERTAINTY .............................................................................................................. 6 4.4 TEST LOCATION .................................................................................................................................... 7 4.5 TEST FACILITY ...................................................................................................................................... 7 4.6 DEVIATION FROM STANDARDS ............................................................................................................... 7 4.7 ABNORMALITIES FROM STANDARD CONDITIONS ..................................................................................... 7 5 EQUIPMENT LIST ...................................................................................................................................... 8 6 RADIO SPECTRUM TECHNICAL REQUIREMENT ............................................................................... 11 6.1 ANTENNA REQUIREMENT .................................................................................................................... 11 6.1.1 Test Requirement: ....................................................................................................................... 11 7 RADIO SPECTRUM MATTER TEST RESULTS ..................................................................................... 12 7.1 CONDUCTED PEAK OUTPUT POWER .................................................................................................... 12 7.1.1 E.U.T. Operation .......................................................................................................................... 12 7.1.2 Test Mode Description ................................................................................................................. 12 7.1.3 Test Setup Diagram ..................................................................................................................... 12 7.1.4 Measurement Procedure and Data............................................................................................. 13 7.2 MINIMUM 6DB BANDWIDTH .................................................................................................................. 14 7.2.1 E.U.…

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000202 Page: 1 of 109 Keny Xu EMC Laboratory Manager TEST REPORT Application No.: SZCR2103020002AT Applicant: XIAMENSHI C-CHIP Co., Ltd Address of Applicant: 1008 Guanyinshan, Operating Center, Siming District, Xiamen, China Manufacturer: SHENZHENSHI XINZHONGXIN TECHNOLOGY CO., LTD. Address of Manufacturer: Block 3, Dong Huan Industrial Park, Sha Jing Town, Bao’an District, Shenzhen City, Guangdong, Province, China Factory: SHENZHENSHI XINZHONGXIN TECHNOLOGY CO., LTD. Address of Factory: Block 3, Dong Huan Industrial Park, Sha Jing Town, Bao’an District, Shenzhen City, Guangdong, Province, China Equipment Under Test (EUT): EUT Name: Bluetooth Module+2.4G WIFI Module Model No.: C-2S Trade Mark: C-chip FCC ID: 2AR7VC-2S Standard(s) : 47 CFR Part 15, Subpart C 15.247 Date of Receipt: 2021-03-12 Date of Test: 2021-03-25 to 2021-04-11 Date of Issue: 2021-04-28 Test Result: Pass* * In the configuration tested, the EUT complied with the standards specified above. SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000202 Page: 2 of 109 Revision Record Version Chapter Date Modifier Remark 01 2021-04-28 Original Authorized for issue by: Charlie Dai/Project Engineer Eric Fu/Reviewer SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000202 Page: 3 of 109 2 Test Summary Radio Spectrum Technical Requirement Item Standard Method Requirement Result Antenna Requirement 47 CFR Part 15, Subpart C 15.247 N/A 47 CFR Part 15, Subpart C 15.203 & 15.247(b)(4) Pass Radio Spectrum Matter Part Item Standard Method Requirement Result Conducted Peak Output Power 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 11.9.1 47 CFR Part 15, Subpart C 15.247(b)(3) Pass Minimum 6dB Bandwidth ANSI C63.10 (2013) Section 11.8.1 47 CFR Part 15, Subpart C 15.247a(2) Pass Power Spectrum Density ANSI C63.10 (2013) Section 11.10.2 47 CFR Part 15, Subpart C 15.247(e) Pass Conducted Band Edges Measurement ANSI C63.10 (2013) Section 11.13.3.2 47 CFR Part 15, Subpart C 15.247(d) Pass Conducted Spurious Emissions ANSI C63.10 (2013) Section 11.11 47 CFR Part 15, Subpart C 15.247(d) Pass Radiated Emissions which fall in the restricted bands ANSI C63.10 (2013) Section 6.10.5 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Radiated Spurious Emissions ANSI C63.10 (2013) Section 6.4,6.5,6.6 47 CFR Part 15, Subpart C 15.205 & 15.209 Pass Emission Part Item Standard Method Requirement Result Conducted Emissions at AC Power Line (150kHz-30MHz) 47 CFR Part 15, Subpart C 15.247 ANSI C63.10 (2013) Section 6.2 47 CFR Part 15, Subpart C 15.207 Pass SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Report No.: SZCR210302000202 Page: 4 of 109 3 Contents Page 1 COVER PAGE ............................................................................................................................................ 1 2 TEST SUMMARY ....................................................................................................................................... 3 3 CONTENTS ................................................................................................................................................ 4 4 GENERAL INFORMATION ........................................................................................................................ 6 4.1 DETAILS OF E.U.T. ............................................................................................................................... 6 4.2 DESCRIPTION OF SUPPORT UNITS ......................................................................................................... 6 4.3 MEASUREMENT UNCERTAINTY .............................................................................................................. 6 4.4 TEST LOCATION .................................................................................................................................... 7 4.5 TEST FACILITY ...................................................................................................................................... 7 4.6 DEVIATION FROM STANDARDS ............................................................................................................... 7 4.7 ABNORMALITIES FROM STANDARD CONDITIONS ..................................................................................... 7 5 EQUIPMENT LIST ...................................................................................................................................... 8 6 RADIO SPECTRUM TECHNICAL REQUIREMENT ............................................................................... 11 6.1 ANTENNA REQUIREMENT .................................................................................................................... 11 6.1.1 Test Requirement: ....................................................................................................................... 11 7 RADIO SPECTRUM MATTER TEST RESULTS ..................................................................................... 12 7.1 CONDUCTED PEAK OUTPUT POWER .................................................................................................... 12 7.1.1 E.U.T. Operation .......................................................................................................................... 12 7.1.2 Test Mode Description ................................................................................................................. 12 7.1.3 Test Setup Diagram ..................................................................................................................... 13 7.1.4 Measurement Procedure and Data............................................................................................. 13 7.2 MINIMUM 6DB BANDWIDTH .................................................................................................................. 14 7.2.1 …

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SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 1 of 3 Setup Photos for SZCR2103020002AT FCC ID: 2AR7VC-2S SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 2 of 3 1 Photographs Conducted Emissions at AC Power Line (150kHz-30MHz) Radiated Spurious Emissions SGS-CSTC Standards Technical Services Co., Ltd. Shenzhen Branch Page: 3 of 3