ROW-B18188F2CWLAN 11n USB 2.0 module

CDW-B18188F-2C DATASHEET Software： 客 户 Customer 客户承认 Approve（请盖印章） 日 期 Date 深圳市中龙通电子科技有限公司 CHINA DRAGON TECHNOLOGY LIMITED 工厂地址：深圳市宝安区沙井街道南浦路林坡坑蚝三第一工业园B4栋 电话：(86 755) 81449957 传真：(86 755) 81449967 E-mail: [email protected] Http://www.cdtech.cn 拟制 Design 审核 Check 批准 Approve 版本 Version 日期 Date V1.0 2020.12.24 产 品 承 认 书 SPECIFCATION 深圳市中龙通电子科技有限公司 Page 1 WiFi Module CDW-B18188F-2C 更改记录： Reversion History： 版本 Version 日期 Date 更改内容 Modification 1.0 2020.12.24 First release 深圳市中龙通电子科技有限公司 Page 2 WiFi Module CDW-B18188F-2C 1. Overview CDW-B18188F-2C is a WLAN 11 b/g/n USB module, which fully supports the features and Functional compliance of IEEE 802.11 b/g/n standards. It supports up to 150Mbps high-speed wireless network connections. It is designed to provide excellent performance with low power Consumption and enhance the advantages of robust system and cost-effective. It is targeted at competitive superior performance, better power Management applications. 2. Features ■ 6 -pin ,Total Size 12.7x12.2x1.6mm ■ single chip for IEEE 802.11b/g/n compatible WLAN ■ Complete 802.11n solution for 2.4GHz band ■ 72.2Mbps receive PHY rate and 72.2Mbps transmit PHY rate using 20MHz bandwidth ■ 150Mbps receive PHY rate and 150Mbps transmit PHY rate using 40MHz bandwidth ■ Compatible with 802.11n specification ■ Backward compatible with 802.11b/g devices while operating in 802.11n mode Interface ■ Complies with USB 1.0/1.1/2.0 for WLAN Standards Supported ■ IEEE 802.11b/g/n compatible WLAN ■ IEEE 802.11e QoS Enhancement (WMM) ■ 802.11i (WPA, WPA2). Open, shared key, and pair-wise key authentication services 深圳市中龙通电子科技有限公司 Page 3 WiFi Module CDW-B18188F-2C 3. General Specification Feature CDW-B18188F-2C Product Name WLAN 11n USB 2.0 module Major Chipset RTL8188FTV Frequency Range 2.4 GHz ISM Band Modulation 802.11b : DQPSK, DBPSK, CCK 802.11 g/n : OFDM /64-QAM,16-QAM, QPSK, BPSK PCBA Dimension 12.7×12.3×1.6(L×W×H)+-0.15mm Channels Ch1 ~ Ch11 Test Tone deviation +/-75kHz Security WEP, TKIP, AES, WPA, WPA2 Interface USB 2.0 Voltage 3.3V (3.0V-3.6V) Operating Temperature -20~ +70° C Storage Temperature -40 ~+85°C Humidity 5 to 90 % maximum (non-condensing) 4. Electrical Characteristics Feature Description RX sensitivity Mode Data Rate sensitivity Unit 11b 11Mbps -87 dBm 11g 54Mbps -74 dBm 11n MCS7 -72 dBm 5. DC Characteristics Description TYP Unit Sleep mode 5 mA RX Active,MCS7 145 mA TX ,mcs7 200 mA TX CCK,11Mbps 310 mA Note:All result is measured at the antenna port and VDD33 is 3.3V 深圳市中龙通电子科技有限公司 Page 4 WiFi Module CDW-B18188F-2C 6. Pin Description and PCB size NO. Symbol Description 1 GND Ground connections 2 RF RF out External PI-type circuit is requested 3-4 GND Ground connections 5-10 NC 11 VCC Power supply 3.3V is required(≥600mA) 12 DM USB negative differential data lines 13 DP USB positive differential data lines 14 GND Ground connections 15\17\18 NC 16 CHIP_EN Chip Power Down（Default high） 19 GPIO2 Host wake WIFI 3.3 V DM DP GND NC C H I P _ E N NC NC G P I O 2 G P I O 0 GND RF GND GND NC NC NC NC NC NC 深圳市中龙通电子科技有限公司 Page 5 WiFi Module CDW-B18188F-2C 20 GPIO0 WIFI wake Host Footprint Dimensions 单位：mm,公差：+-0.2mm 7. Modular photo material specifications suppliers Crystal 40Mhz JWT，FK, TXC PCB B18188F A, O PCBA physical photo 深圳市中龙通电子科技有限公司 Page 6 WiFi Module CDW-B18188F-2C ESD CAUTION The CDW-B18188F-2C is ESD (electrostatic discharge) sensitive device and may be damaged with ESD or spike voltage. Although CDW-B18188F-2C is with built-in ESD protection circuitry, please handle with care to avoid the permanent malfunction or the performance degradation. 深圳市中龙通电子科技有限公司 Page 7 WiFi Module CDW-B18188F-2C FCC WARNING FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment. 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. This device and its antenna(s) must not be co-located or operating in conjunction with any other antenna or transmitter. 15.105 Information to the user. (b) For a Class B digital device or peripheral, the instructions furnished the user shall include the following or similar statement, placed in a prominent location in the text of the manual: Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures: —Reorient or relocate the receiving antenna. —Increase the separation between the equipment and receiver. —Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. —Consult the dealer or an experienced radio/TV technician for help. This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20 cm between the radiator and your body. Radiation Exposure Statement: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. The availability of some …

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CHINA DRAGON TECHNOLOGY LIMITED 2021.06.22 Eurofins MET Labs 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR EUT NAME: WLAN 11n USB 2.0 module Trademark: N/A MODEL : CDW-B18188F-2C FCC ID: ROW-B18188F2C To Whom It May Concern: This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the - Block Diagram - Schematics - Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Client’s signature: Client’s name / title : Liu Xiaodong/Manager Contact information / address: B4 Bidg.haosan No.1 lndustry Park,Shajing street,B, Shenzhen, China

CHINA DRAGON TECHNOLOGY LIMITED 2021.06.22 Eurofins MET Labs 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize Shenzhen BCTC Testing Co., Ltd to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Client’s signature: Client’s name / title : Liu Xiaodong Contact information / address: B4 Bidg.haosan No.1 lndustry Park,Shajing street,B, Shenzhen, China

CHINA DRAGON TECHNOLOGY LIMITED FCC Modular Approval Request Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2021/06/22 Subject; Modular Transmitter Application Company name: CHINA DRAGON TECHNOLOGY LIMITED FCC ID: ROW-B18188F2C Dear Sir/Madam, This letter includes the FCC application requirements for Modular Transmitter Approval Request for;- FCC KDB 996369 D01 ‘Module Certification Guide v02; and FCC KDB 996369 D03 OEM Manual v01 In accordance with 47CFR 15.212 Modular Transmitters and KDB 996369 D01 ‘Module Equip Auth Guide v02’. FCC ID: ROW-B18188F2C has been examined against the following requirements. Requirement per 15.212 and KDB 996369 D01 Explanation from Grantee (do not write yes/no, but explain why product complies/how it is achieved) 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. No. The module is Limited Single Modular. 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. Yes, This module have buffered modulation/data inputs . The module must contain power supply regulation on the module. Yes,The module have power supply regulation, The supply voltage is DC 3.3V. 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 §§ 15.203, 15.204(b), 15.204(c), 15.212(a), 2.929(b). Yes, the module have a unique antenna connector The module must demonstrate compliance in a stand-alone configuration. Yes. The module is Limited Single Modular. The module must be labeled with its permanently affixed FCC ID label, or use an electronic display (see KDB Publication 784748). Yes,The host system have label in a visible area indicated the following texts: "Contains FCC ID: ROW-B18188F2C The module must comply with all specific rules applicable to the transmitter, including all the conditions provided in the integration instructions by the grantee. Yes, This module meets the requirements of FCC part 15C(15.247).it specifically establish the 6dB Bandwidth,, Peak Output Power, Radiated Spurious Emission, Power Spectral Density, Restricted Band of Operation and Band Edge (Out of Band Emissions) Measurement CHINA DRAGON TECHNOLOGY LIMITED FCC Modular Approval Request The module must comply with RF exposure requirements Yes,This module complies with FCC RF radiation exposure limits set forth for an uncontrolled environment, This equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body." This module is designed to comply with the FCC statement, FCC ID is: ROW-B18188F2C Integration Instructions for host product manufacturers The following items are submitted in support of application for Modular Transmitter FCC ID as noted above as required by the FCC KDB 996369 D03 OEM Manual v01. These items are provided as integration instructions for host product manufacturers (e.g., OEM instruction manual) to use when integrating a module in a host product. Any requirements that are not applicable to the Module are as indicated below. Summary of requirements and Checklist.Refer to the KDB for description of the complete requirements; KDB Ref Sect Requirements of KDB 996369 D03 User Manual Page Number reference 2.2 List of applicable FCC rules Page 8 2.3 Summarize the specific operational use conditions Page 8 2.4 Limited module procedures Page 8 2.5 Trace antenna designs Page 9 2.6 RF exposure considerations Page 9 2.7 Antennas Page 10 2.8 Label and compliance information Page 10 2.9 Information on test modes and additional testing requirements Page 10 2.10 Additional testing, Part 15 Subpart B disclaimer Page 11 Name: Liu Xiaodong Date: 2021/03/05 Title: Manager Signature of applicant :

External Photos Antenna

Size:10*5mm FCC ID: ROW-B18188F2C Label location

Internal Photos

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: ROW-B18188F2C Applied procedures / limit According to FCC §15.247(i) and §1.1307(b)(1), systems operating under the provisions of this 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. Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric 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) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Note: ƒ is frequency in MHz * = Power density limit is applicable at frequencies greater than 100 MHz Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric 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)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1.0 30 Note: f = frequency in MHz * = Plane-wave equivalent power density MPE PREDICTION Predication of MPE limit at a given distance, Equation from OET Bulletin 65, Edition 97-01 Where: S = power density P = power input to antenna G = power gain of the antenna in the direction of interest relative to an isotropic radiator R = distance to the center of radiation of the antenna, R=0.2m TEST RESULTS MIMO Mode Tune up Produce power Maximu m peak output power (dBm) Output power to antenn a (mW) Antenna Gain (numeric) Power Density (S) (mW/ cm2) Limit (mW / cm2 ) Result 802.11b 16±1 17 50.12 1.585 (2dBi) 0.01580 1 Pass

No.：BCTC/RF-EMC-005 Page: 1 of 66 Edition：A.3 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2105721336E Applicant: CHINA DRAGON TECHNOLOGY LIMITED Product Name: WLAN 11n USB 2.0 module Model/Type reference: CDW-B18188F-2C Tested Date: 2021-05-12 to 2021-06-02 Issued Date: 2021-06-08 Report No.: BCTC2105721336E No.：BCTC/RF-EMC-005 Page: 2 of 66 Edition：A.3 FCC ID: ROW-B18188F2C The test report is effective only with both signature and specialized stamp.This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen BCTC Testing Co., Ltd, this report can’t be reproduced except in full.The tested sample(s) and the sample information are provided by the client. Product Name: WLAN 11n USB 2.0 module Trademark: N/A Model/Type reference: CDW-B18188F-2C Prepared For: CHINA DRAGON TECHNOLOGY LIMITED Address: B4 Bidg.haosan No.1 lndustry Park,Shajing street,B, Shenzhen, China Manufacturer: CHINA DRAGON TECHNOLOGY LIMITED Address: B4 Bidg.haosan No.1 lndustry Park,Shajing street,B, Shenzhen, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Tangwei, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2021-05-12 Sample tested Date: 2021-05-12 to 2021-06-02 Issue Date: 2021-06-08 Report No.: BCTC2105721336E Test Standards FCC Part15.247 ANSI C63.10-2013 Test Results PASS Remark: This is WIFI-2.4GHz band radio test report. Tested by: Approved by: Willem Wang/Project Handler Zero Zhou/Reviewer Report No.: BCTC2105721336E No.：BCTC/RF-EMC-005 Page: 3 of 66 Edition：A.3 TABLE OF CONTENT Test Report Declaration Page 1. VERSION ............................................................. 5 2. TEST SUMMARY ...................................................... 6 3. MEASUREMENT UNCERTAINTY ........................................ 7 4. PRODUCT INFORMATION AND TEST SETUP ............................ 8 4.1 Product Information ..................................................... 8 4.2 Test Setup Configuration ................................................ 8 4.3 Support Equipment ..................................................... 9 4.4 Channel List ........................................................... 9 4.5 Test Mode ............................................................ 10 4.6 table of parameters of text software setting ................................ 10 5. TEST FACILITY AND TEST INSTRUMENT USED ........................ 11 5.1 Test Facility ........................................................... 11 5.2 Test Instrument Used .................................................. 12 6. CONDUCTED EMISSIONS ............................................. 13 6.1 Block Diagram Of Test Setup ............................................ 13 6.2 Limit ................................................................. 13 6.3 Test procedure ........................................................ 13 6.4 EUT operating Conditions ............................................... 13 6.5 Test Result ........................................................... 14 7. RADIATED EMISSIONS ............................................... 16 7.1 Block Diagram Of Test Setup ............................................ 16 7.2 Limit ................................................................. 17 7.3 Test procedure ........................................................ 18 7.4 EUT operating Conditions ............................................... 20 7.5 Test Result ........................................................... 20 8. RADIATED BAND EMISSION MEASUREMENT AND RESTRICTED BANDS OF OPERATION ................................................... 27 8.1 Block Diagram Of Test Setup ............................................ 27 8.2 Limit ................................................................. 27 8.3 Test procedure ........................................................ 28 8.4 EUT operating Conditions ............................................... 28 8.5 Test Result ........................................................... 29 9. POWER SPECTRAL DENSITY TEST ................................... 31 9.1 Block Diagram Of Test Setup ............................................ 31 9.2 Limit ................................................................. 31 9.3 Test procedure ........................................................ 31 9.4 EUT operating Conditions ............................................... 31 9.5 Test Result ........................................................... 32 10. BANDWIDTH TEST ................................................... 39 Report No.: BCTC2105721336E No.：BCTC/RF-EMC-005 Page: 4 of 66 Edition：A.3 10.1 Block Diagram Of Test Setup .......................................... 39 10.2 Limit ................................................................ 39 10.3 Test procedure ....................................................... 39 10.4 EUT operating Conditions ............................................. 39 10.5 Test Result .......................................................... 40 11. PEAK OUTPUT POWER TEST ......................................... 48 11.1 Block Diagram Of Test Setup .......................................... 48 11.2 Limit ................................................................ 48 11.3 Test procedure ....................................................... 48 11.4 EUT operating Conditions ............................................. 48 11.5 Test Result .......................................................... 49 12. 100 KHZ BANDWIDTH OF FREQUENCY BAND EDGE ................... 50 12.1 Block Diagram Of Test Setup .......................................... 50 12.2 Limit ................................................................ 50 12.3 Test procedure ....................................................... 50 12.4 EUT operating Conditions .................................…

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Report No.: BCTC2105721336E No.：BCTC/RF-EMC-005 Page: 64 of 66 Edition：A.3 16. EUT TEST SETUP PHOTOGRAPHS Conducted Emission Report No.: BCTC2105721336E No.：BCTC/RF-EMC-005 Page: 65 of 66 Edition：A.3 Radiated Measurement Photos