2AU7O-FT1821CEWireless network adapter

FT1821CE -20PW5A22D1 Module Datasheet FTY Technology Co.,Ltd FT1821CE -20PW5A22D1 Module Datasheet Office / Factory : 602, Building 1, Aidi meng tuo Industrial Park, the 4th Industrial Zone, shutianpu Community, Ma Tian Street, Guang ming District, Shenzhen CHINA Website:www.phaten.com Customer Approval Company Title Signature Date FTY FTY Technology Co.,Ltd Version Update Record VersionDateRevision ContentEditorialstaffapproval V1.0 2022/07/13The first version FTY Technology Co.,Ltd 1 CONTENTS 1 Overview .............................................................................................................2 1.1Introduction ................................................................................................. 2 1.2 Features ..................................................................................................... 2 1.3 Block Diagram ........................................................................................... 3 1.4 General Specification ................................................................................ 3 1.5 DC Characteristics .....................................................................................4 2 RF Specifications ............................................................................................... 5 2.1 2.4GHz RF Specification ........................................................................ 5 2.2 5GHz RF Specification ..............................................................................6 2.3 Bluetooth Specification ..............................................................................7 3 Pin Assignments .................................................................................................8 3.1 Pin Outline ................................................................................................. 8 3.2 Pin Definition ............................................................................................. 9 4 Dimensions ...................................................................................................... 11 4.1 Module Picture ........................................................................................ 11 4.2 Module Physical Dimensions ..................................................................11 5 Reference Design ............................................................................................ 12 5.1 WIFI RF Circuit reference pictures ..........................................................12 6 The Key Material Lis t ....................................................................................... 12 7 Recommended Reflow Profil e .........................................................................13 8 Package Information ........................................................................................13 8.1 Ree l ..........................................................................................................13 8.2 Carrier Tape Detai l .................................................................................. 14 8.4 Moisture sensitivity ..................................................................................15 9. FCC Certification Requirements...................................................................16 10. Integration instructions for host product manufacturers according to KDB 996369 D03 OEM Manual v01.............................................18 Appendix 1-Quick Installation Guide................................................................21 Appendix: Troubleshooting..............................................................................25 FTY Technology Co.,Ltd 2 1 Overview 1.1Introduction The FT1821CE-20PW5A22D1 is a highly integrated single-chip, support 802.11ac solutions with Multi-user MIMO (Multiple-Input , Multiple-Output) STA mode with Wireless LAN (WLAN) PCIE network interface controller with integrated Bluetooth 2.1/4.2 USB interface controller. It combines a WLAN MAC, a 1T1R capable WLAN base band, and RF in s single chip. The RTL8821CE provides a complete solution for a high-performance integrated wireless and Bluetooth device. 1.2 Features CMOS MAC, Base band PHY and RF in a single chip for IEEE 802.11a/b/g/n/ac compatible WLAN  Supports BT : V2.1+ EDR and V4.2, For BR/EDR,V4.0BLE Maximum PHY data rate up to 86.7Mbps using 20MHz bandwidth, 200Mbps using 40MHz bandwidth, and 433.3Mbps using 80MHz bandwidth.  supports WLAN low power consumption  Complete 802.11n MIMO solution for 2.4GHz and 5Ghz band Backward compatible with 802.11a/b/g devices while operating at 802.11n data rates  supports 20/40MHz at 2.4GHz  Support 20/40/80MHz 5GHz  supports WLAN-Bluetooth coexistence  supports low power Bluetooth  Bluetooth 4.2 Dual Mode support: Simultaneous LE and BR/EDR FTY Technology Co.,Ltd 3 1.3 Block Diagram 1.4 General Specification Model Name FT1821CE-20PW5A22D1 Product DescriptionWIFI5 and Bluetooth M.2 Module Dimension L x W x H: 22 x 30 x 2.9(±0.3) mm Wi-Fi Interface Support M.2 BT interface Support M.2 OS Support Windows 2000,XP32-64,Vista 32/64,Win7 32/64,Windows10,Mac, Operating temperature 0 to +50° C Storage temperature -55°C to 125°C FTY Technology Co.,Ltd 4 1.5 DC Characteristics Power Supply Characteristics SymbolParameter Minimu m Typical Maximu m Unit s VDD33 3.3V I/O Supply Voltage 3.13.33.6V IDD333.3V Rating Current//800mA FTY Technology Co.,Ltd 5 2 RF Specifications 2.1 2.4GHz RF Specification FeaturesDescription WLAN Standard IEEE802.11b/g/n Frequency Range2.412~2.462GHz (2.4GHz ISM Band) Modulation Method DSSS,DBPSK, DQPSK, CCK and OFDM (BPSK, QPSK, 16QAM,64QAM ) Number of Channel 2.4GHz: 11: (Ch. 1-11) ± United States 13: (Ch. 1-13) ± Europe 14: (Ch. 1- 14) ± Japan BT 2.4GHz: Ch. 0 ~78, 0-39 2.4G Transmitter Specifications TX RateTX PowerTX Power Tolerance EVM 802.11b@11Mbps 17dBm ±2dBm ≤-13dB 802.11g@54Mbps 14dBm ±2dBm ≤-25dB 802.11n@BW20_MC S7 13dBrn ±2dBm ≤-28dB 802. 11n@BW40_MC S7 13dBrn ±2dBm ≤-28dB F…

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Shenzhen Phaten Technology Co., Ltd. Model Difference Product Name: Wireless network adapter Model Number: FT1821CEV2, FT1821CE-20PW5A22D1, LK-A51 FCC Identifier: 2AU7O-FT1821CE All the models are the same circuit and RF module, except the model names. Regards Sincerely Client’s signature Client’s name / title: lison wei / Manager Contact information: 602,Building 1,Edmonto Industrial Park, No.4 Industrial Zone,Shutianpu Community, Matian Street, Guangming District, Shenzhen, China

C566091_X23_Ed1 1/1 US Agent for Service of Process LETTER OF ATTESTATION TO: Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 US Agent for Service of Process: Company Name: GSS SERVICE INC FRN: 0033402082 Contact Name: Ms Michoux Logan Address: 6547 N Academy Blvd #2266 Colorado Springs Co 80918 USA Telephone No: 001-949-2990192 Email: [email protected] This letter is to confirm that the US Agent for Service of Process accepts responsibility to act as a local representative on behalf of (Shenzhen Phaten Technology Co., Ltd.). The US Agent for Service of Process is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Applicant: Company name: Shenzhen Phaten Technology Co., Ltd. Grantee code: 2AU7O FCC ID: 2AU7O-FT1821CE Contact Name: lison wei Address: 602, Building 1, Aidimengtuo Industrial Park, 4th Industrial Zone, Matian Street, Guangming District, Shenzhen Telephone No: 18520822005 Email: [email protected] The Applicant is aware of and agrees to comply with the requirements outlined in the FCC Equipment Authorization Program, Report and Order FCC 22-84, and clause § 2.911. Date: 2023/03/06 Applicant’s Name: lison wei US Agent for Service of Process’s Name: Ms Michoux Logan Title: Manager Title: Manager Signature Signature

Shenzhen Phaten Technology Co., Ltd. 1/1 Letter of Authorization Company: Shenzhen Phaten Technology Co., Ltd. Address: 602,Building 1,Edmonto Industrial Park, No.4 Industrial Zone,Shutianpu Community, Matian Street, Guangming District, Shenzhen, China Product Name: Wireless network adapter Model Number: FT1821CEV2, FT1821CE-20PW5A22D1, LK-A51 FCC Identifier: 2AU7O-FT1821CE We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning the approval application. Any and all acts carried out by LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: lison wei Date: 2023-01-11 Title: Manager Signature of applicant:

Shenzhen Phaten Technology Co., Ltd. 1/1 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: 2023-01-11 Subject: Request for Confidentiality FCC ID: 2AU7O-FT1821CE 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 NOTE 2 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 No ☐ Internal Photos No ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☒ ☐ NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. 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: lison wei Title: Manager

C5266091_X9_Ed.2 1/1 Federal Communications Commission Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 Company name: FCC ID: Items to be covered by Single modular transmitters. Requirement per 15.212 and KDB 996369 D01 ‘Modular Certification Guide v02 Explanation from Grantee (do not write yes/no, but explain why product complies/how it is achieved ) 1.The radio elements must have the radio frequency circuitry shielded. Physical components and tuning capacitor(s) may be located external to the shield, but must be on the module assembly Yes, the module has is own RF shielding cover. 2.The module must have buffered modulation/data inputs to ensure that the device will comply with Part 15 requirements with any type of input signal Buffered data inputs stage has been integrated in chip RTL8821CE. 3.The module must contain power supply regulation on the module Module with power regulation and support for DC 3.3V input 4.The module must contain a permanently attached antenna, or contain a unique antenna connector, and be marketed and operated only with specific antenna(s), per Sections 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b) Themodulemeetstheantenna requirements. 5.The module must demonstrate compliance in a stand- alone configuration The module is installed in the Host for testing. see report for details. 6.The module must be labelled with its permanently affixed FCC ID label, or use an electronic display (See KDB Publication 784748 about labelling requirements) The module has its own FCC ID number. See the label for details. 7.The module must comply with all specific rules applicable to the transmitter including all the conditions provided in the integration instructions by the grantee The module meets any specific rules or operational requirements applicable to the transmitter 8.The module must comply with RF exposure requirements Themodulecomplieswithany applicable RF exposure requirements, as detailed in the instructions. Shenzhen Phaten Technology Co., Ltd. Modular Transmitter Approval Request Shenzhen Phaten Technology Co., Ltd. 2AU7O-FT1821CE Gentlemen, In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 ‘Module Certification Guide v02’. FCC ID 2AU7O-FT1821CE has been examined against the following requirements. C5266091_X9_Ed.2 1/1 Date: 2023-01-11 Name:lison wei Title:Manager Signature of applicant

ANT1 WIFI 2.4G+5G ANT2 BT+WIFI 2.4G+5G

Size: 26*20mm M/N: FT1821CEV2 FCC ID: 2AU7O-FT1821CE Label location

FCC ID: 2AU7O-FT1821CE RF Exposure Evaluation Limits The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency (RF) radiation as specified in 1.1307(b) Limits for Maximum Permissible Exposure (MPE) Frequency range (MHz) Electric field strength (V/m) Magnetic field strength (A/m) Power density (mW/cm 2 ) Averaging time (minutes) (A) Limits for Occupational/Controlled Exposures 0.3–3.0 614 1.63 *(100) 6 3.0–30 1842/f 4.89/f *(900/f 2 ) 6 30–300 61.4 0.163 1.0 6 300–1500 f/300 6 1500–100,000 5 6 (B) Limits for General Population/Uncontrolled Exposure 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 30 300–1500 f/1500 30 1500–100,000 1.0 30 f = frequency in MHz Friis transmission formula: Pd = (Pout*G)/(4*pi*r 2 ) Where Pd = power density in mW/cm 2 , Pout = output power to antenna in mW; G = gain of antenna in linear scale, Pi = 3.1416; R = distance between observation point and center of the radiator in cm Pd id the limit of MPE, 1 mW/cm 2 . If we know the maximum gain of the antenna and the total power input to the antenna, through the calculation, we will know the distance r where the MPE limit is reached. Test Procedure Software provided by client enabled the EUT to transmit and receive data at lowest, middle and highest channel individually. Test Result of RF Exposure Evaluation wifi 2.4G mode Channel Output power to antenna (dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result ANT1 ANT2 ANT1 ANT2 ANT1 ANT2 802.11b 7.52 7.63 5.6494 5.7943 0.00144 0.00147 1.0 PASS 802.11g 6.57 6.91 4.5394 4.9091 0.00116 0.00125 1.0 PASS 802.11n HT20 7.24 7.39 5.2966 5.4828 0.00135 0.00140 1.0 PASS 802.11n HT40 7.28 7.44 5.3456 5.5463 0.00136 0.00141 1.0 PASS Remark: antenna gain=1.08dBi wifi 5G mode Channel Output power to antenna (dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result ANT1 ANT2 ANT1 ANT2 ANT1 ANT2 Band 1 802.11a 7.126 7.345 5.1594 5.4263 0.00035 0.00037 1.0 PASS 802.11n HT20 7.095 7.317 5.1227 5.3914 0.00035 0.00037 1.0 PASS 802.11n HT40 6.896 7.247 4.8933 5.3052 0.00034 0.00036 1.0 PASS 802.11ac HT20 7.125 7.298 5.1582 5.3678 0.00035 0.00037 1.0 PASS 802.11ac HT40 7.444 7.125 5.5514 5.1582 0.00038 0.00035 1.0 PASS 802.11ac HT80 7.006 6.826 5.0188 4.8150 0.00034 0.00033 1.0 PASS Remark: antenna gain=-4.62dBi BT mode: Channel Field strength (dBuV/m) EIRP power (dBm) Output power to antenna (mW) Power Density at R=20cm (mW/cm 2 ) Limit (mW/cm 2 ) Result EDR 91.92 -3.24 0.4742 0.000094 1.0 PASS BLE 91.45 -3.71 0.4256 0.000085 1.0 PASS Remark: antenna gain=1.08dB EIRP=E Meas +20log(d Meas )-104.7 EIRP is the equivalent isotropically radiated power, in dBm E Meas is the field strength of the emission at the measurement distance, in dBμV/m d Meas is the measurement distance, in m For Simultaneous transmitting, 1): The sum of the ratios of the spatially averaged results to the applicable frequency dependent MPE limits = 0.00136/1 + 0.00141/1+0.000086/1 = 0.002856< 1 Since the sum of the MPE ratios for all simultaneously transmitting antennas incorporated in the device is ≤ 1.0, the EUT is considered to satisfy MPE compliance for simultaneous transmission operations.

ShenzhenYuShengCommunicationsElectronicsco.,LTD TEL：+860755-28640107FAX：+860755-28694967 地址：深圳市龙岗区横岗镇坳背一村坳西路 102号3-4 楼 Address: Floor 3-4, No. 102 Ao West Road, Aobei Yi Village, Henggang Town, Longgang District, Shenzhen 深圳市 深圳市 雨盛通讯电子 雨盛通讯电子 有限公司 有限公司 版本：A1 客户 : 品名规格 DESCRIPTION: 料号 PARTNO.： 客户料号 CUSPARTNO.： 日期 DATE： 呈样签章: 工程 ENGINEERINGDEPARTMENT 品保 QCDEPARTMENT 业务 SALESDEPARTMENT 客户承认签章: 工程 ENGINEERINGDEPARTMENT 品保 QCDEPARTMENT 采购 PURCHASINGDEPARTMENT ж客户确认样品附意栏： 承认书 APPROVAL YS020-0002X 2022-8-26 External Antenna ShenzhenYuShengCommunicationsElectronicsco.,LTD TEL：+860755-28640107FAX：+860755-28694967 深圳市 深圳市 雨盛通讯电子 雨盛通讯电子 有限公司 有限公司 电器技术参数 电性能指标 ElectricalSpecifications 频率范围 5180-5240MHZ, 2400-2500MhZ FrequencyRange 5180-5240MHZ, 2400-2500MhZ 电压驻波比 ≤2.0 VSWR ≤2.0 增益 5.2G: -4.62dBi 2.4G: 1.08dBi GAIN 5.2G: -4.62dBi 2.4G: 1.08dBi 输入阻抗 50ΩInputImpedance50Ω 机械指标 MechanicalSpecifications 接口形式 IPEX Inputconnector IPEX 天线长度 109mmCablelength109mm 工作温度 -40°C~+85°C WorkingTemperature -40°C~+85°C 工作湿度 20~80%WorkingHumidity20~80% 产品图片： ShenzhenYuShengCommunicationsElectronicsco.,LTD FAX：+860755-28694967 深圳市 深圳市 雨盛通讯电子 雨盛通讯电子 有限公司 有限公司 TEL：+86 0755-28640107 规格图(mm)： ÌÚ ›∏øÆøΩ ̈ªÆ∑≠ ̈∑Ω≠ Ω ́Æ™ª ÌÚÔ ÕÔÔÒ Õ...Œ ÌÚÔÚÔ fl≤ ̈ª≤≤ø ∞ªÆ∫±Æ≥ø≤Ωª 5180MHz 5220MHz 5240MHz ÏÚ 2‹ Œøº∑ø ̈∑±≤ Ω∏øÆøΩ ̈ªÆ∑≠ ̈∑Ω≠ ±∫ ø≤ ̈ª≤≤ø All frequencies have been checked, and only the worst test data is shown in the report. Summary Antenna Specification ITEMANT SPEC Model Name2.4G ANT MAX. Gain 1.08dBi PolarizationHorizontal and Vertical Azimuth Beam Pattern Omni-directional Impedance50 Ohm Antenna Length38.20mm Manufacture Shenzhen Yu Sheng Communications Electronics co., LTD Antenna Photo & Length (mm) ÏÚ 2‹ Œøº∑ø ̈∑±≤ Ω∏øÆøΩ ̈ªÆ∑≠ ̈∑Ω≠ ±∫ ø≤ ̈ª≤≤ø PHI 0° PHI90° THETA90 ° Frequency VNA (MHz) Gain (Peak) (dBi) 2400MHz0.0403503 2410MHz0.0886264 2420MHz0.267381 2430MHz0.193012 2440MHz0.26366 2450MHz0.0723139 2460MHz0.36895 2470MHz0.551525 2480MHz0.640702 2490MHz1.05232 2500MHz1.08443

Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20221210002E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 1 of 59 FCC Part 15C Test Report FCC ID: 2AU7O-FT1821CE Applicant: Shenzhen Phaten Technology Co., Ltd. Address: 602, Building 1, Aidimengtuo Industrial Park, 4th Industrial Zone, Matian Street, Guangming District, Shenzhen Manufacturer: Shenzhen Phaten Technology Co., Ltd. Address: 602, Building 1, Aidimengtuo Industrial Park, 4th Industrial Zone, Matian Street, Guangming District, Shenzhen EUT: Wireless network adapter Trade Mark: N/A Model Number: FT1821CEV2, FT1821CE-20PW5A22D1, LK-A51 Date of Receipt: Nov. 25, 2022 Test Date: Nov. 25, 2022 - Dec. 10, 2022 Date of Report: Dec. 10, 2022 Prepared By: Shenzhen DL Testing Technology Co., Ltd. Address: 101-201, Building C, Shuanghuan, No.8, Baoqing Road, Baolong Industrial Zone, Baolong Street, Longgang District, Shenzhen, Guangdong, China Applicable Standards: FCC PART 15 C 15.247 ANSI C63.10:2013 Test Result: Pass Report Number: DL-20221210002E Prepared (Test Engineer): Pxing Huang Reviewer (Supervisor): Jack Bu Approved (Manager): Jade Yang This test report is based on a single evaluation of one sample of above mentioned products. It is not permitted to be duplicated in extracts without written approval of Shenzhen DL Testing Technology Co., Ltd. Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20221210002E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 2 of 59 Table of Contents Page 1 . SUMMARY OF TEST RESULTS 4 1.1 MEASUREMENT UNCERTAINTY 4 2 . GENERAL INFORMATION 5 2.1 GENERAL DESCRIPTION OF EUT 5 2.2 DESCRIPTION OF TEST MODES 6 2.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED 7 2.4 DESCRIPTION OF SUPPORT UNITS(CONDUCTED MODE) 7 2.5 TABLE OF PARAMETERS OF TEST SOFTWARE SETTING 7 2.6 EQUIPMENTS LIST FOR ALL TEST ITEMS 8 3 . EMC EMISSION TEST 9 3.1 CONDUCTED EMISSION MEASUREMENT 9 3.1.1 POWER LINE CONDUCTED EMISSION LIMITS 9 3.1.2 TEST PROCEDURE 9 3.1.3 DEVIATION FROM TEST STANDARD 9 3.1.4 TEST SETUP 10 3.1.5 EUT OPERATING CONDITIONS 10 3.1.6 TEST RESULTS 10 3.2 RADIATED EMISSION MEASUREMENT 13 3.2.1 RADIATED EMISSION LIMITS 13 3.2.2 TEST PROCEDURE 14 3.2.3 DEVIATION FROM TEST STANDARD 14 3.2.4 TEST SETUP 14 3.2.5 EUT OPERATING CONDITIONS 15 3.2.6 TEST RESULTS (BETWEEN 9KHZ – 30 MHZ) 16 3.2.7 TEST RESULTS (BETWEEN 30MHZ – 1GHZ) 17 3.2.8 TEST RESULTS (1GHZ~25GHZ) 19 3.3 RADIATED BAND EMISSION MEASUREMENT 23 3.3.1 TEST REQUIREMENT: 23 3.3.2 TEST PROCEDURE 23 3.3.3 DEVIATION FROM TEST STANDARD 23 3.3.4 TEST SETUP 24 3.3.5 EUT OPERATING CONDITIONS 24 3.4 CONDUCTED BAND EDGE EMISSION&CONDUCTED SPURIOUS EMISSIONS MEASUREMENT 29 3.4.1 APPLICABLE STANDARD 29 3.4.2 TEST PROCEDURE 29 3.4.3 DEVIATION FROM STANDARD 29 3.4.4 TEST SETUP 29 Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20221210002E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 3 of 59 Table of Contents Page 3.4.5 EUT OPERATION CONDITIONS 29 3.4.6 TEST RESULTS 29 4 . AVERAGE OUTPUT POWER 33 4.1 APPLIED PROCEDURES / LIMIT 33 4.1.1 TEST PROCEDURE 33 4.1.2 DEVIATION FROM STANDARD 33 4.1.3 TEST SETUP 33 4.1.4 EUT OPERATION CONDITIONS 33 4.1.5 TEST RESULTS 34 5 . POWER SPECTRAL DENSITY TEST 39 5.1 APPLIED PROCEDURES / LIMIT 39 5.1.1 TEST PROCEDURE 39 5.1.2 DEVIATION FROM STANDARD 39 5.1.3 TEST SETUP 39 5.1.4 EUT OPERATION CONDITIONS 39 5.1.5 TEST RESULTS 40 6 . 6DB BANDWIDTH TEST 45 6.1 APPLIED PROCEDURES / LIMIT 45 6.1.1 TEST PROCEDURE 45 6.1.2 DEVIATION FROM STANDARD 45 6.1.3 TEST SETUP 45 6.1.4 EUT OPERATION CONDITIONS 45 6.1.5 TEST RESULTS 46 7 . ANTENNA REQUIREMENT 51 7.1 STANDARD REQUIREMENT 51 7.2 EUT ANTENNA 51 8 . TEST SEUUP PHOTO 52 9 . EUT PHOTO 54 Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20221210002E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 4 of 59 1. SUMMARY OF TEST RESULTS Test procedures according to the technical standards: FCC Part15 (15.247) , Subpart C Standard Section Test Item Judgment Remark 15.207 Conducted Emission PASS 15.205, 15.209, 15.247(d) Radiated Spurious Emission PASS 15.205, 15.247(d) Band Edge Emission& Conducted Spurious Emissions PASS 15.247(b) Average Output Power PASS 15.247(a)(2) 6dB Bandwidth PASS 15.247(e) Power Spectral Density PASS 15.203 Antenna Requirement PASS NOTE: (1)” N/A” denotes test is not applicable in this Test Report 1.1 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ± U, where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %。 No. Item Uncertainty 1 Conducted Emission Test ±2.56dB 2 RF power,conducted ±0.42dB 3 Spurious emissions,conducted ±2.76dB 4 All emissions,radiated(<1G) ±3.65dB 5 All emissions,radiated(>1G) ±4.89dB 6 Temperature ±0.5°C 7 Humidity ±2% 8 6dB Bandwidth ±0.2MHz Shenzhen DL Testing Technology Co., Ltd. Report No.: DL-20221210002E Test Report Tel: 400-688-3552 Web:www.dl-cert.com Email: [email protected] Page 5 of 59 2. GENERAL INFORMATION 2.1 GENERAL DESCRIPTION OF EUT Product Name: Wireless network adapter Trademark N/A Model No.: FT1821CEV2, FT1821CE-20PW5A22D1, LK-A51 Model Difference The product's different for model number. Operation Frequency: 2412~2462 MHz for 802.11b/g/nHT20 2422~2452 MHz for 802.11nHT40 Channel numbers: 11 Channels for 802.11b/g/n(HT20) 7 channels for 802.11nHT40 Channel separation: 5MHz Modulation technology: 802.11b: DSSS (CCK, DQPSK, DBPSK) 802.11g/n(20/40): OFDM(QPSK, BPSK, 16-QAM, 64-QAM) Rate of Transmitter 802.11b: 11/5.5/2/1Mbps 802.11g: 54/48/36/24/18/12/9/6Mbps 802.11n: up to 300Mbps Antenna Type: External antenna Antenna gain: 1.08dBi Power Supply: DC 3.3V from PC Note: The MIMO mode only support external Internal antenna1 and Internal antenna2 the 802.11n mode, the Directional Gain=1.08dBi+10log(2)=4.08dBi. Note: 1.For a more detailed features description, …

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Radiated Measurement Photos Conducted Measurement Photos