2AR82-SKOW638U101IEEE 802.11a/b/g/n 2T2R USB Wi-Fi Module Integrated BT 2.1+EDR/4.2/5.0

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。 广州视琨电子科技有限公司 GuangzhouShikunElectronicTechnologyCompanyLimited 保密等级：机密 SPECIFICATION 产品规格书 SKO.W618U.1_638BUE IEEE802.11a/b/g/n2T2RUSBWi-FiModule IntegratedBT2.1+EDR/4.2/5.0 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 V02020.11.30 SKO.W618U.1_638BU E20451 AllFirstreleaseYve 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.ProductPictures（实物图片） ............................................................................................ 3 6.KeyMaterials（关键物料） ................................................................................................. 4 7.GeneralRequirements（一般要求） ............................................................................... 4 8.ElectricalCharacteristics（电气特性） ........................................................................... 4 8.1IEEE802.11bSection ................................................................................................. 5 8.2IEEE802.11gSection ................................................................................................. 5 8.3IEEE802.11nHT20Section(2.4GHz) .................................................................. 6 8.4IEEE802.11nHT40Section(2.4GHz) .................................................................. 7 8.5IEEE802.11aSection ................................................................................................. 8 8.6IEEE802.11nHT20Section(5GHz) ...................................................................... 9 8.7IEEE802.11nHT40Section(5GHz) ...................................................................... 9 9.Mechanical,EnvironmentalandReliabilityTests（机械、环境和可靠性测试）11 10.Package（包装） ................................................................................................................. 13 11.SocketSpecification（插座规格） ................................................................................. 14 12.SoftwareRequirements（软件要求） ................................................................ 14 SKO.W618U.1_638BUE 1 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.Introduction （简介） SKO.W618U.1_638BUEmoduleisbasedonMEDIATEKMT7638BUNsolution. MT7618BUNisahighlyintegratedsinglechipwhichfeaturesalowpower2x211a/b/g/n dual-bandWi-Fisubsystem.TheWi-Fisubsystemcontainsthe802.11a/b/g/nradio, baseband,andMACthataredesignedtomeetboththelowpowerandhighthroughput application.Thisdocumentationdescribestheengineeringrequirementsspecification. SKO.W618U.1_638BUE模块基于MEDIATEKMT7638BUN解决方案。MT7638BUN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。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 70.00mm×25.05mm×3.20mm Model 型号 InstallationMode 安装方式 Protocol 支持标准 Frequency 频段 Antenna 天线 Remark 备注 SKO.W618 U.1_638BU 外挂 Ext-WIFI IEEE 802.11a/ b/g/n 2.4/5GHz 板载天线 On-board Antenna BT：Ipex 70.00mm×25.05mm× 3.20mm SKO.W618U.1_638BUE 2 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. Block Diagram（结构框图） SKO.W618U.1_638BU Block Diagram 4 . Package Outline and Mounting（外形及安装尺寸） SKO.W618U.1_638BUE 3 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。 PinDefinition（引脚定义） TOPVIEW PINSYMBOLDESCRIPTION 1VDD_5V 5VInput\5V输入 2VDD_5V 5VInput\5V输入 3NCNC 4GND Ground\地 5GND Ground\地 6USB_DM USB2.0DMSignal\USB2.0差分负电压信号 7USB_DP USB2.0DPSignal\USB2.0差分正电压信号 8GND Ground\地 9WOW 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 10RESET RESET\复位，正常工作为高电平，模组内部上拉，输入低电平时模组复位 5.ProductPictures （实物图片） 正视图（ topview ） SKO.W618U.1_638BUE 4 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。 背视图（bottomview） 6.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 2PCBSKO.W618U.1_638BU E FR-4,4LAY 3 晶体振荡器 2.3.3.40000153540MHz 4 双工器 SLFD18-2R450G-13T 5 双工器（IPD） RFDIP201507ALM6T68 7.GeneralRequirements（一般要求） No.FeatureDescription 7-1 OperationVoltage工作电压范围 5.0V+/-0.5 7-2 CurrentConsumption最大电流 800mA 7-3 Ripple纹波≤250Vp-p 7-4 OperationTemperature工作温度范围 0°Cto+40°C 7-5 AntennaType天线类型 Internalantenna 7-6USBHighSpeedUSB2.0Interface 7-7 StorageTemperature存储温度 -40°Cto+85°C 8.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5.0V（±10%）； TheTestforelectricalspecificationwasperformedunderthefollowingconditionunless otherwisespecified. AmbientconditionTemperature:25°C±5°C; Powersupplyvoltages：5.0V(±10%)inputpowerattheModule. SKO.W618U.1_638BUE 5 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。 8.1 IEEE 802.11b Section ItemsContents SpecificationIEEE802.11b ModeDBPSK, DQPSK and CCK and DSSS ChannelCH1 to CH11 Data rate1, 2, 5.5, 11Mbps TX CharacteristicsMin.Typ.Max.UnitRemark 1. Power Levels(Calibrated) 1) For Each antenna port151719dBm 2. Spectrum Mask @ target power 1) fc +/-11MHz to +/-22MHz---30dBr 2) fc > +/-22MHz---50dBr 3 Constellation Error(EVM)@ target power 1) 1Mbps---10dB 2) 2Mbps---10dB 3) 5.5Mbps---10dB 4) 11Mbps---10dB 4. Frequency Error-25-25ppm RX CharacteristicsMin.Typ.Max.Unit 5 Minimum Input Level Sensitivity (each chain) 1) 1Mbps (FER ≦ 8%) ---83dBm 2) 2Mbps (FER≦8%) ---80dBm 3) 5.5Mbps (FER≦8%) ---79dBm 4) 11Mbps (FER ≦ 8%) ---76dBm 6 Maximum Input Level (FER≦8%) -10--…

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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. Caution: The user is cautioned that changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. FCC RF 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 a minimum distance of 20cm between the radiator and any part of your body. The device must be professionally installed The intended use is generally not for the general public. It is generally for industry/commercial use. The connector is within the transmitter enclosure and can only be accessed by disassembly of the transmitter that is not normally required. the user has no access to the connector. Installation must be controlled. Installation requires special training This module has been assessed against the following FCC rule parts: CFR 47 FCC Part 15 Subpart C (15.247,DSS, DTS) and Subpart E (UNII) has been investigated. It is applicable to the modular transmitter This radio transmitter 2AR82-SKOW638U101 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. BT and BLE antenna Antenna Antenna model Frequency (MHz) Antenna Cable Length(mm) Antenna Type Antenna Gain (dBi) 1 2.00004829 2402-2480 230 PIFA Antenna 4.93 2.00004838 2402-2480 405 PIFA Antenna 4.73 2 AG-041533-2120 2402-2480 255 PIFA Antenna 0.91 AG-041533-2119 2402-2480 390 PIFA Antenna 0.71 3 W-M-D-B-N-0-0230 2402-2480 230 PIFA Antenna 4.70 W-M-D-B-N-0-0390 2402-2480 390 PIFA Antenna 4.50 Note: The EUT has 3 kinds of antennas(2.0000XXXX, AG-041533-XXXX, W-M-D-B-N-0-XXXX). For every kind antenna, they differ only in line length. For 2.00004829 and 2.00004838, they differ only in line length. For AG-041533-2120 and AG-041533-2119. They differ only in line length. For W-M-D-B-N-0-0230 and W-M-D-B-N-0-0390, they differ only in line length. So for the Radiated Bandedge and Spurious Emission, we use the worst kind 2.00004829, AG-041533-2120 and W-M-D-B-N-0-0230 to test. Other test items we use the worst kind 2.00004829 to test. 2.4 G wifi antenna Antenna Frequency (MHz) Antenna Type MAX Antenna Gain (dBi) 1 2412-2462 PCB antenna 1.68 2 2412-2462 PCB antenna 1.81 5G wifi antenna Antenna No. Frequency (MHz) Antenna Type Max Antenna Gain (dBi) 1 5150-5850 PCB antenna 2.01 2 5150-5850 PCB antenna 2.03 Canada Statement This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device. L'émetteur/récepteur exempt de licence contenu dans le présent appareil est conforme aux CNR d'Innovation, Sciences et Développement économique Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes : 1)L'appareil ne doit pas produire de brouillage; 2)L'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement. Please notice that if the ISED certification number is not visible when the module is installed inside another device, then the outside of the device into which the module is installed must also display a label referring to the enclosed module. This exterior label can use wording such as the following: “Contains IC: 24728-SKOW638U101” any similar wording that expresses the same meaning may be used. l'appareil hôte doit porter une étiquette donnant le numéro de certification du module d'Industrie Canada, précédé des mots « Contient un module d'émission », du mot « IC: 24728-SKOW638U101 » ou d'une formulation similaire exprimant le même sens, comme suit The device meets the exemption from the routine evaluation limits in section 2.5 of RSS 102 and compliance with RSS-102 RF exposure, users can obtain Canadian information on RF exposure and compliance. Le dispositif rencontre l'exemption des limites courantes d'évaluation dans la section 2.5 de RSS 102 etla conformité à l'exposition de RSS-102 rf, utilisateurs peut obtenir l'information canadienne surl'exposition et la conformité de rf. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body. Cet émetteur ne doit pas être Co-placé ou ne fonctionnant en même temps qu'aucune autre antenne ouémetteur. Cet équipement devrait être installé et actionné avec une distance minimum de 20 centimètres entre le radiateur et votre corps. This radio transmitter 24728-SKOW638U101 has been approved by Innovation, Science and Economic Development Canada 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. Le présent émetteur radio 24728- SKOW638U101 a été approuvé par Innovation, Sciences et Développement économique Canada pour fonctionner avec les types d'antenne énumérés ci-dessous et ayant un gain admissible maximal. Les types d'antenne non inclus dans cette liste, et dont le gain est supérieur…

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External Photographs Page 2 of 6 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . View of EUT-1 View of EUT-2 WIFI ANT 2 WIFI ANT 1 Page 3 of 6 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . View of EUT-3 (BT ANT 1) 2.00004829 for short ANT 2.00004838 for long ANT View of EUT-4(BT ANT 2) AG-041533-2120 for short ANT AG-041533-2119 for long ANT Page 4 of 6 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . View of EUT-5(BT ANT 3) W-M-D-B-N-0-0230 for short ANT W-M-D-B-N-0-0390 for long ANT View of EUT-6 Page 5 of 6 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . View of EUT-7 View of EUT-8 Page 6 of 6 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . View of EUT-9

label location label

Internal Photographs Page 2 of 2 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. . Internal View of EUT-1

The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. FCC RF EXPOSURE REPORT CERTIFICATION TEST REPORT For IEEE 802.11a/b/g/n 2T2R USB Wi-Fi Module Integrated BT 2.1+EDR/4.2/5.0 MODEL NUMBER: SKO.W618U.1_638BUE FCC ID: 2AR82- SKOW638U101 IC: 24728-SKOW638U101 REPORT NUMBER: 4789755222-5 ISSUE DATE: January 11, 2021 Prepared for Guangzhou Shikun Electronics Co., Ltd NO.6 Liankun Road,Huangpu District,Guangzhou,China Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Building 10, Innovation Technology Park, No. 1, Li Bin Road, Song Shan Lake Hi- Tech Development Zone Dongguan, 523808, People’s Republic of China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4789755222-5 Page 2 of 7 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 01/19/2021 Initial Issue REPORT NO.: 4789755222-5 Page 3 of 7 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. TABLE OF CONTENTS 1. ATTESTATION OF TEST RESULTS ................................................................................. 4 2. TEST METHODOLOGY ..................................................................................................... 5 3. FACILITIES AND ACCREDITATION ................................................................................. 5 4. REQUIREMENT ................................................................................................................. 6 REPORT NO.: 4789755222-5 Page 4 of 7 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 1. ATTESTATION OF TEST RESULTS Applicant Information Company Name: Guangzhou Shikun Electronics Co., Ltd Address: NO.6 Liankun Road,Huangpu District,Guangzhou,China Manufacturer Information Company Name: Guangzhou Shikun Electronics Co., Ltd Address: NO.6 Liankun Road,Huangpu District,Guangzhou,China EUT Information EUT Name: IEEE 802.11a/b/g/n 2T2R USB Wi-Fi Module Integrated BT 2.1+EDR/4.2/5.0 Model: SKO.W618U.1_638BUE Sample Received Date: December 14, 2020 Sample Status: Normal Sample ID: 3538000 Date of Tested: December 15, 2020~ January 07, 2021 APPLICABLE STANDARDS STANDARD TEST RESULTS FCC 47CFR§2.1091 PASS Prepared By: Checked By: Mick Zhang Shawn Wen Project Engineer Laboratory Leader Approved By: Stephen Guo Laboratory Manager REPORT NO.: 4789755222-5 Page 5 of 7 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 2. TEST METHODOLOGY The tests documented in this report were performed in accordance with 47 CFR FCC Part 2 Subpart J, section 2.1091. 3. FACILITIES AND ACCREDITATION Accreditation Certificate A2LA (Certificate No.: 4102.01) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. has been assessed and proved to be in compliance with A2LA. FCC (FCC Designation No.: CN1187) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. Has been recognized to perform compliance testing on equipment subject to the Commission's Declaration of Conformity (DoC) and Certification rules ISED (Company No.: 21320) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. has been registered and fully described in a report filed with Industry Canada. The Company Number is 21320. VCCI (Registration No.: G-20019, R-20004, C-20012 and T-20011) UL Verification Services (Guangzhou) Co., Ltd. Song Shan Lake Branch. has been assessed and proved to be in compliance with VCCI, the Membership No. is 3793. Facility Name: Chamber D, the VCCI registration No. is G-20019 and R-20004 Shielding Room B, the VCCI registration No. is C-20012 and T-20011 Note: All tests measurement facilities use to collect the measurement data are located at Building 10, Innovation Technology Park, Song Shan Lake Hi tech Development Zone, Dongguan, 523808, China. REPORT NO.: 4789755222-5 Page 6 of 7 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0112 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. 4. REQUIREMENT LIMIT AND CALCULATION 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. Limits for General Population/Uncontrolled Exposure RF EXPOSURE LIMIT Frequency Range (MHz) E-field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/cm 2 ) Averaging Time |E| 2 , |H| 2 or S (Minutes) 0.3 -- 1.34 614 1.63 (100)* 30 1.34 -- 30 824/f 2.19/f (180/f 2 )* 30 30 -- 300 27.5 0.073 0.2 30 300…

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The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. CFR 47 FCC PART 15 SUBPART C ISED RSS-247 ISSUE 2 CERTIFICATION TEST REPORT For IEEE 802.11a/b/g/n 2T2R USB Wi-Fi Module Integrated BT 2.1+EDR/4.2/5.0 MODEL NUMBER: SKO.W618U.1_638BUE FCC ID: 2AR82-SKOW638U101 IC: 24728-SKOW638U101 REPORT NUMBER: 4789755222-1 ISSUE DATE: January 11, 2021 Prepared for Guangzhou Shikun Electronics Co., Ltd NO.6 Liankun Road,Huangpu District,Guangzhou,China Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Building 10, Innovation Technology Park, No. 1, Li Bin Road, Song Shan Lake Hi- Tech Development Zone Dongguan, 523808, People’s Republic of China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4789755222-1 Page 2 of 134 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0087 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 01/11/2021 Initial Issue REPORT NO.: 4789755222-1 Page 3 of 134 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0087 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Summary of Test Results Clause Test Items FCC/ISED Rules Test Results 1 6dB Bandwidth and 99% Occupied Bandwidth FCC Part 15.247 (a) (2) RSS-247 Clause 5.2 (a) ISED RSS-Gen Clause 6.7 Pass 2 Peak Conducted Output Power FCC Part 15.247 (b) (3) RSS-247 Clause 5.4 (d) Pass 3 Power Spectral Density FCC Part 15.247 (e) RSS-247 Clause 5.2 (b) Pass 4 Conducted Bandedge and Spurious Emission FCC Part 15.247 (d) RSS-247 Clause 5.5 Pass 5 Radiated Bandedge and Spurious Emission FCC Part 15.247 (d) FCC Part 15.209 FCC Part 15.205 RSS-247 Clause 5.5 RSS-GEN Clause 8.9 Pass 6 Conducted Emission Test for AC Power Port FCC Part 15.207 RSS-GEN Clause 8.8 Pass 7 Antenna Requirement FCC Part 15.203 RSS-GEN Clause 6.8 Pass Note: 1. This test report is only published to and used by the applicant, and it is not for evidence purpose in China. 2. The measurement result for the sample received is <Pass> according to < CFR 47 FCC PART 15 SUBPART C >< ISED RSS-247 > when <Accuracy Method> decision rule is applied. REPORT NO.: 4789755222-1 Page 4 of 134 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No.: 10-SL-F0087 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. TABLE OF CONTENTS 1. ATTESTATION OF TEST RESULTS ................................................................................. 6 2. TEST METHODOLOGY ..................................................................................................... 7 3. FACILITIES AND ACCREDITATION ................................................................................. 7 4. CALIBRATION AND UNCERTAINTY ................................................................................ 8 4.1. MEASURING INSTRUMENT CALIBRATION .............................................................. 8 4.2. MEASUREMENT UNCERTAINTY ............................................................................... 8 5. EQUIPMENT UNDER TEST ............................................................................................... 9 5.1. DESCRIPTION OF EUT .............................................................................................. 9 5.2. CHANNEL LIST ........................................................................................................... 9 5.3. MAXIMUM PEAK OUTPUT POWER ........................................................................... 9 5.4. TEST CHANNEL CONFIGURATION ..........................................................................10 5.5. THE WORSE CASE POWER SETTING PARAMETER ..............................................10 5.6. DESCRIPTION OF AVAILABLE ANTENNAS .............................................................10 5.7. DESCRIPTION OF TEST SETUP ...............................................................................11 6. MEASURING INSTRUMENT AND SOFTWARE USED ....................................................12 7. ANTENNA PORT TEST RESULTS ...................................................................................14 7.1. ON TIME AND DUTY CYCLE .....................................................................................14 7.2. 6 dB DTS BANDWIDTH AND 99 % OCCUPIED BANDWIDTH ..................................15 7.3. CONDUCTED OUTPUT POWER ...............................................................................17 7.4. POWER SPECTRAL DENSITY ..................................................................................18 7.5. CONDUCTED BANDEDGE AND SPURIOUS EMISSIONS ........................................20 8. RADIATED TEST RESULTS .............................................................................................22 8.1. RESTRICTED BANDEDGE ........................................................................................28 8.1.1. LE 1M MODE .......................................................................................................28 8.1.2. LE 2M MODE .......................................................................................................37 8.2. SPURIOUS EMISSIONS (1 GHz ~ 3 GHz) .................................................................46 8.2.1. LE 1M MODE ..............................................…

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The results reported herein have been performed in accordance with the laboratory’s terms of accreditation. This report shall not be reproduced except in full without the written approval of the Laboratory. The results in this report apply to the test sample(s) mentioned above at the time of the testing period only and are not to be used to indicate applicability to other similar products. CFR 47 FCC PART 15 SUBPART C ISED RSS-247 ISSUE 2 CERTIFICATION TEST REPORT For IEEE 802.11a/b/g/n 2T2R USB Wi-Fi Module Integrated BT 2.1+EDR/4.2/5.0 MODEL NUMBER: SKO.W618U.1_638BUE FCC ID: 2AR82- SKOW638U101 IC: 24728-SKOW638U101 REPORT NUMBER: 4789755222-3 ISSUE DATE: January 11, 2021 Prepared for Guangzhou Shikun Electronics Co., Ltd NO.6 Liankun Road,Huangpu District,Guangzhou,China Prepared by UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch Building 10, Innovation Technology Park, No. 1, Li Bin Road, Song Shan Lake Hi- Tech Development Zone Dongguan, 523808, People’s Republic of China Tel: +86 769 22038881 Fax: +86 769 33244054 Website: www.ul.com REPORT NO.: 4789755222-3 Page 2 of 125 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No: 10-SL-F0088 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Revision History Rev. Issue Date Revisions Revised By V0 01/11/2021 Initial Issue REPORT NO.: 4789755222-3 Page 3 of 125 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No: 10-SL-F0088 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. Summary of Test Results Clause Test Items FCC/ISED Rules Test Results 1 6dB Bandwidth and 99% Occupied Bandwidth FCC Part 15.247 (a) (2) RSS-247 Clause 5.2 (a) ISED RSS-Gen Clause 6.7 Pass 2 Conducted Output Power FCC Part 15.247 (b) (3) RSS-247 Clause 5.4 (d) Pass 3 Power Spectral Density FCC Part 15.247 (e) RSS-247 Clause 5.2 (b) Pass 4 Conducted Bandedge and Spurious Emission FCC Part 15.247 (d) RSS-247 Clause 5.5 Pass 5 Radiated Bandedge and Spurious Emission FCC Part 15.247 (d) FCC Part 15.209 FCC Part 15.205 RSS-247 Clause 5.5 RSS-GEN Clause 8.9 Pass 6 Conducted Emission Test for AC Power Port FCC Part 15.207 RSS-GEN Clause 8.8 Pass 7 Antenna Requirement FCC Part 15.203 RSS-GEN Clause 6.8 Pass Note: 1.This test report is only published to and used by the applicant, and it is not for evidence purpose in China. 2. The measurement result for the sample received is <Pass> according to < CFR 47 FCC PART 15 SUBPART C >< ISED RSS-247 > when <Accuracy Method> decision rule is applied. REPORT NO.: 4789755222-3 Page 4 of 125 UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch FORM No: 10-SL-F0088 This report shall not be reproduced except in full, without the written approval of UL Verification Services (Guangzhou) Co., Ltd, Song Shan Lake Branch. TABLE OF CONTENTS 1. ATTESTATION OF TEST RESULTS ................................................................................. 6 2. TEST METHODOLOGY ..................................................................................................... 7 3. FACILITIES AND ACCREDITATION ................................................................................. 7 4. CALIBRATION AND UNCERTAINTY ................................................................................ 8 4.1. MEASURING INSTRUMENT CALIBRATION .............................................................. 8 4.2. MEASUREMENT UNCERTAINTY ............................................................................... 8 5. EQUIPMENT UNDER TEST ............................................................................................... 9 5.1. DESCRIPTION OF EUT .............................................................................................. 9 5.2. CHANNEL LIST ........................................................................................................... 9 5.3. MAXIMUM OUTPUT POWER..............................................…

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