2AR82-SKIWB7638U1IEEE 802.11a/b/g/n 2T2R USB Wi-Fi Module

广州视琨电子科技有限公司 GuangzhouShikunElectronicTechnologyCompanyLimited 版权 CVTE 所有，本文档内容属商业机密。未经允许，任何组织或个人不得以任何形式复制和传播。 保密等级：机密 SPECIFICATION 产品规格书 SKI.WB7638U.1_MT7638BU IEEE802.11a/b/g/n2T2RUSBWi-FiModule ApprovedbyShikun Checkedby审核Recheckedby复审Approvedby批准 Pleasesendtheoriginalbacktousafteryouhaveapprovedandsigned. 客户承认签章后敬请寄回正本一份。 Approvedbycustomer Comments确认意见Approvedby批准签字Company’sseal盖章 Customer’sName: 版权 CVTE 所有，本文档内容属商业机密。未经允许，任何组织或个人不得以任何形式复制和传播。 REVISIONHISTORY VERSIONDATEBOARDIDPAGEDESCRIPTIONAUTHOR V02019.10.29 SKI.WB7638U.1 _MT7638BUB19104 AllFirstIssued.Yve V12019.11.20 SKI.WB7638U.1 _MT7638BUB19104 5 ModifiedElectrical Characteristics. Yve 版权 CVTE 所有，本文档内容属商业机密。未经允许，任何组织或个人不得以任何形式复制和传播。 Content 1.Introduction（简介） .............................................................................................................. 1 2.FEATURES（特性） .................................................................................................................. 1 3.BlockDiagram（结构框图） .................................................................................................. 2 4.PackageOutlineandMounting（外形及安装尺寸） ..................................................... 2 5.PinDefinition（引脚定义） .................................................................................................... 3 6.ProductPictures（实物图片） .............................................................................................. 4 7.KeyMaterials（关键物料） .................................................................................................... 4 8.GeneralRequirements（一般要求） .................................................................................. 4 9.ElectricalCharacteristics（电气特性） .............................................................................. 5 9.1IEEE802.11bSection ................................................................................................. 5 9.2IEEE802.11gSection ................................................................................................. 6 9.3IEEE802.11nHT20Section(2.4GHz) .................................................................. 6 9.4IEEE802.11nHT40Section(2.4GHz) .................................................................. 7 9.5IEEE802.11aSection ................................................................................................. 8 9.6IEEE802.11nHT20Section(5GHz) ...................................................................... 9 9.7IEEE802.11nHT40Section(5GHz) ................................................................... 10 10.Mechanical,EnvironmentalandReliabilityTests（机械、环境和可靠性测试）11 11.Package（包装） ................................................................................................................. 13 12.SoftwareRequirements（软件要求） .......................................................................... 14 SKI.WB7638U.1_MT7638BU QR-ZZPJ-017A 版权CVTE所有，本文档内容属商业机密。未经允许，任何组织或个人不得以任何形式复制和传播。 1 1.Introduction （简介） SKI.WB7638U.1_MT7638BUmoduleisbasedonMEDIATEKMT7638BUNsolution. MT7638Bisahighlyintegratedsinglechipwhichfeaturesalowpower2x211a/b/g/n dual-bandWi-FisubsystemandaBluetoothsubsystem.TheWi-Fisubsystemcontains the802.11a/b/g/nradio,baseband,andMACthataredesignedtomeetboththelow powerandhighthroughputapplication.Thisdocumentationdescribestheengineering requirementsspecification. SKI.WB7638U.1_MT7638BU模块基于MEDIATEKMT7638BUN解决方案。MT7638B是 一款高度集成的芯片，具有低功耗2x211a/b/g/n双频Wi-Fi子系统和蓝牙子系统。Wi-Fi子系统 包含802.11a/b/g/n射频、基带和MAC，旨在满足低功耗和高吞吐量应用。本文件描述了工程需 求规范。 2.FEATURES（特性） ReservingSystem 接收制式 IEEEStd.802.11a IEEEStd.802.11b IEEEStd.802.11g IEEEStd.802.11n ChipSolution 芯片方案 MT7638BUN Band 波段 2.4/5GHz Dimensions 尺寸 32.0mm×22.0mm×3.0mm Type 型号 Mounting Method 安装方式 Protocol 支持标准 Frequency 频段 ANT Interface 天线接口 Remarks 备注 SKI.WB7638U .1_MT7638BU SMD IEEE 802.11a/b/g/n 2.4/5GHzIPEX 32.0mm×22.0mm ×3.0mm SKI.WB7638U.1_MT7638BU QR-ZZPJ-017A 版权CVTE所有，本文档内容属商业机密。未经允许，任何组织或个人不得以任何形式复制和传播。 2 3. Block Diagram （结构框图） Figure 3.1 SKI.WB7638U.1_MT7638BU Block Diagram 4. Package Outline and Mounting （外形及安装尺寸） SKI.WB7638U.1_MT7638BU QR-ZZPJ-017A 版权CVTE所有，本文档内容属商业机密。未经允许，任何组织或个人不得以任何形式复制和传播。 3 5.PinDefinition （引脚定义） PINSYMBOLDESCRIPTION 1WOW WIFIWAKEHOST\WIFI唤醒主机，模组4.7Kohm上拉到3.3V，唤醒时模组输出低电平 2WLANRST WLANRST\WLAN复位，模组10Kohm上拉到3.3V，低电平触发模组复位 3VDD_3.3V 3.3Vinput\3.3V输入 4USB_DM USB2.0DMSignal\USB2.0差分负电压信号 5USB_DP USB2.0DPSignal\USB2.0差分正电压信号 6GND Ground\地 7BTSYNC FramesyncsignalsfromTVtosyncwith3DglassviaBluetooth\3D帧同步信号 8NCNC 9GND Ground\地 10NCNC 11GND Ground\地 12GND Ground\地 13WL_RF1 Wi-FiRFport1,connecttoexternalantenna\Wi-Fi射频端口1，连接外置天线 14GND Ground\地 15GND Ground\地 16WL_RF0 Wi-FiRFport0,connecttoexternalantenna\Wi-Fi射频端口0，连接外置天线 17GND Ground\地 SKI.WB7638U.1_MT7638BU QR-ZZPJ-017A 版权CVTE所有，本文档内容属商业机密。未经允许，任何组织或个人不得以任何形式复制和传播。 4 6.ProductPictures （实物图片） 正视图（topview） 背视图（bottomview） 7.KeyMaterials （关键物料） 序号关键件名称型号规格/材料备注 1 集成电路 MT7638BUN76-QFN -- 2PCBSKI.WB7638U.1FR-4,4LAY-- 3 晶体振荡器 2.3.3.40000153540MHz-- 4 双工器 SLFD18-2R450G-13T---- 8.GeneralRequirements（一般要求） No.FeatureDescription 8-1 OperationVoltage工作电压范围 3.3V+/-0.3 8-2 CurrentConsumption最大电流 700mA 8-3 Ripple纹波≤100mV 8-4 OperationTemperature工作温度范围 0°Cto+40°C 8-5 AntennaType天线类型 Externalantenna 8-6USBHighSpeedUSB2.0Interface 8-7 StorageTemperature存储温度 -40°Cto+85°C SKI.WB7638U.1_MT7638BU QR-ZZPJ-017A 版权CVTE所有，本文档内容属商业机密。未经允许，任何组织或个人不得以任何形式复制和传播。 5 9.ElectricalCharacteristics （电气特性） 除非另有说明，电气规范试验是在下列条件下进行，环境条件温度：25°C±5°C；电源电压：模块输 入电压3.3V（±10%）； TheTestforelectricalspecificationwasperformedunderthefollowingconditionunless otherwisespecified. AmbientconditionTemperature:25°C±5°C; Powersupplyvoltages：3.3V(±10%)inputpowerattheModule. 9.1IEEE802.11bSection ItemsContents SpecificationIEEE802.11b ModeCCK ChannelCH1toCH13 Datarate1,2,5.5,11Mbps TXCharacteristicsMin.Typ.Max.UnitRemark 1.PowerLevels(Calibrated) 1)ForEachantennaport151719dBm 2.SpectrumMask@targetpower 1)fc+/-11MHzto+/-22MHz---30dBr 2)fc>+/-22MHz---50dBr 3ConstellationError(EVM)@targetpower 1)1Mbps---10dB 2…

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C5266091_X10_Ed.1 1/1 Guangzhou Shikun Electronics Co., Ltd Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date:January 10, 2020 Subject: Request for Confidentiality FCC ID: 2AR82-SKIWB7638U1 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality ID Label/Location No No Attestation Statement No No External Photos No Block Diagram Schematics Test Report No No Test Setup Photos No User’s Manual Internal Photos Parts List / Tune Up RF Exposure Info Operational Description Cover Letter(s) No No SDR Software / Security Info No Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Bing Li Title: Certification Manager

CERPASS TECHNOLOGY (SUZHOU)CO., LTD Report No.: 2001042 Cerpass T echnology (Suzhou) Co., Ltd. Issued date : Jan. 03, 2020 Page No. : 1 of 2 1) EUT Photo 2) EUT Photo Antenna Position Model: SKI.WB7638U.1_MT7638BU EXTERNAL PHOTOGRAPHS OF EUT CERPASS TECHNOLOGY (SUZHOU)CO., LTD Report No.: 2001042 Cerpass Technology (Suzhou) Co., Ltd. Issued date : Jan. 03, 2020 Page No. : 2 of 2 3) EUT Photo 4) EUT Photo

CERPASS TECHNOLOGY CORP. Report No.: 2001042 Cerp ass Technology (Suzhou) Co., Ltd. Issued date : Jan. 03, 2020 Page No. : 1 of 2 INTERNAL PHOTOGRAPHS OF EUT 1)EUT Photo 2) EUT Photo Model number:SKI.WB7638U.1_MT7638BU CERPASS TECHNOLOGY CORP. Report No.: 2001042 Cerpass Technology (Suzhou) Co., Ltd. Issued date : Jan. 03, 2020 Page No. : 2 of 2 3) EUT Photo 4) EUT Photo

CERPASS TECHNOLOGY (SUZHOU)CO., LTD Report No.: 2001042 Cerpass Technology (Suzhou) Co., Ltd. Issued date : Jan. 03, 2020 Page No. : 1 of 2 FCC RF EXPOSURE REPORT EUT IEEE 802.11a/b/g/n 2T2R USB Wi-Fi Module FCC ID 2AR82-SKIWB7638U1 Device category Portable (<20cm separation) Mobile (>20cm separation) Exposure classification Occupational/Controlled exposure (S = 5mW/cm 2 ) General Population/Uncontrolled exposure (S=1mW/cm 2 ) Antenna diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Evaluation applied MPE Evaluation* SAR Evaluation N/A TEST RESULTS No non-compliance noted. Calculation Given d GP E   30 & 3770 2 E S Where E = Field strength in Volts / meter P = Power in Watts G = Numeric antenna gain d = Distance in meters S = Power density in milliwatts / square centimeter Combining equations and re-arranging the terms to express the distance as a function of the remaining variables yields: 2 3770 30 d GP S   Changing to units of mW and cm, using: P (mW) = P (W) / 1000 and d (cm) = d(m) /100 Yields   2 2 0796.0 100/3770 1000/30 d GP d GP S      Equation 1 Where d = Distance in cm P = Power in mW G = Numeric antenna gain S = Power density in mW / cm 2 CERPASS TECHNOLOGY (SUZHOU)CO., LTD Report No.: 2001042 Cerpass Technology (Suzhou) Co., Ltd. Issued date : Jan. 03, 2020 Page No. : 2 of 2 Maximum Permissible Exposure Maximum tune up tolerance Mode Frequency band (MHz) Peak output power(dBm) Peak output power(mW) Antenna Gain (dBi) Antenna gain ( Numeric ) Distance (cm) Power density (mW/cm2) Limit (mW/cm2) 2412-2462 24.45278.6121169 4.512.82 20 0.1565774 1 2422-2452 24.56285.7590543 4.512.82 20 0.1605939 1 5180-5240 16.5344.97798549 4.512.82 20 0.0252772 1 5260-5320 16.3342.95364268 4.512.82 20 0.0241395 1 5500-5700 17.2753.33348955 4.512.82 20 0.0299729 1 5745-5825 16.8848.75284901 4.512.82 20 0.0273986 1 WLAN 5G WLAN 2.4G

CERPASS TECHNOLOGY (SUZHOU)CO., LTD Report No.: SEDL2001042 Cerpass Technology (Suzhou) Co., Ltd. Issued date : Jan. 03, 2020 S-FD-504V1.0 Page No. : 1 of 121  FCC TEST REPORT According to CFR47 §15.407 Applicant : Guangzhou Shikun Electronics Co., Ltd Address : NO.6 Liankun Road,Huangpu District,Guangzhou,China Manufacturer : Guangzhou Shikun Electronics Co., Ltd Address : NO.6 Liankun Road,Huangpu District,Guangzhou,China Equipment : IEEE 802.11a/b/g/n 2T2R USB Wi-Fi Module Model No. : SKI.WB7638U.1_MT7638BU Brand : N/A FCC ID : 2AR82-SKIWB7638U1 Test Period : Dec. 17, 2019~Jan. 03, 2020  The test result refers exclusively to the test presented test model / sample.  Without written approval of Cerpass Technology (Suzhou) Co., Ltd., the test report shall not be reproduced exc- ept in full.  The test report must not be used by the clients to claim product certification approval by any agency of the Government. I HEREBY CERTIFY THAT : The measurements shown in this test report were made in accordance with the procedures given in ANSI C63.10 – 2013& FCC Part15.407 and the energy emitted by this equipment was passed. Approved by: Laboratory Accreditation: Miro Chueh EMC/RF Manager Cerpass Technology Corporation Test Laboratory TAF LAB Code: 1439 Cerpass Technology (SuZhou) Co., Ltd. CNAS LAB Code: L5515 CERPASS TECHNOLOGY (SUZHOU)CO., LTD Report No.: SEDL2001042 Cerpass Technology (Suzhou) Co., Ltd. Issued date : Jan. 03, 2020 S-FD-504V1.0 Page No. : 2 of 121 CONTENTS 1. Summary of Test Procedure and Test Results ...................................................................................... 5 1.1. Applicable Standards ................................................................................................................. 5 2. Test Configuration of Equipment under Test ......................................................................................... 6 2.1. Feature of Equipment under Test ............................................................................................... 6 2.2. Carrier Frequency of Channels .................................................................................................. 7 2.3. Test Mode and Test Software ..................................................................................................... 8 2.4. Description of Test System ......................................................................................................... 8 2.5. General Information of Test ........................................................................................................ 9 2.6. Measurement Uncertainty ........................................................................................................ 10 3. Test Equipment and Ancillaries Used for Tests ................................................................................... 11 4. Antenna Requirements ........................................................................................................................ 12 4.1. Standard Applicable ................................................................................................................. 12 4.2. Antenna Construction and Directional Gain ............................................................................. 12 5. Test of AC Power Line Conducted Emission ....................................................................................... 13 5.1. Test Limit .................................................................................................................................. 13 5.2. Test Procedures ....................................................................................................................... 13 5.3. Typical Test Setup .................................................................................................................... 14 5.4. Test Result and Data ................................................................................................................ 15 6. Test of Spurious Emission (Radiated) ................................................................................................. 23 6.1. Test Limit .................................................................................................................................. 23 6.2. Test Procedures ....................................................................................................................... 23 6.3. Typical Test Setup .................................................................................................................... 24 6.4. Test Result and Data (9kHz ~ 30MHz) ..................................................................................... 25 6.5. Test Result and Data (30MHz ~ 1GHz) .................................................................................... 25 6.6. Test Result and Data (1GHz ~ 40GHz) .................................................................................... 29 6.7. Restricted Bands of Operation ................................................................................................. 62 7. On Time, Duty Cycle and Measurement methods .............................................................................. 63 7.1. Test Limit .................................................................................................................................. 63 7.2. Test Procedure ......................................................................................................................... 63 7.3. Test Setup Layout .................................................................................................................... 63 7.4. Test Result and Data ................................................................................................................ 63 7.5. Measurement Methods ............................................................................................................ 63 8. 6dB Bandwidth & 99% Bandwidth ...............…

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CERPASS TECHNOLOGY (SUZHOU)CO., LTD Report No.: 2001042 Cerpass Technology (Suzhou) Co., Ltd. Issued date : Jan. 03, 2020 Page No. : 1 of 3 TEST SETUP PHOTOGRAPHS OF EUT AC POWER LINE CONDUCTED EMISSION TEST Front View Side V iew M odel: SKI.WB7638U.1_MT7638BU CERPASS TECHNOLOGY (SUZHOU)CO., LTD Report No.: 2001042 Cerpass Technology (Suzhou) Co., Ltd. Issued date : Jan. 03, 2020 Page No. : 2 of 3 RADIATED EMISSION TEST Below 1G Above 1GHz CERPASS TECHNOLOGY (SUZHOU)CO., LTD Report No.: 2001042 Cerpass Technology (Suzhou) Co., Ltd. Issued date : Jan. 03, 2020 Page No. : 3 of 3 Dynamic Frequency Selection Test Radar Calibration Setup Photo Test Setup Photo