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2BFLD-CDWC4ESP3201WiFi Module

Hunan China Dragon Technology Co., Ltd.
WiFi Module - FCC ID 2BFLD-CDWC4ESP3201 - Hunan China Dragon Technology Co., Ltd.
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Application Details

Equipment Class
DTS - Digital Transmission System
Date of Grant
Apr 07, 2024
Application Purpose
Original Equipment
Date of Application
Apr 07, 2024
Equipment Note
WiFi Module
Frequency Range
2402.00000000 - 2480.00000000
Company
Hunan China Dragon Technology Co., Ltd.
Country
China

Documents & Files

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Users Manual

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Attestation Statements

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Cover Letter(s)

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External Photos

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ID Label/Location Info

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Internal Photos

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RF Exposure Info

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Test Report

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Test Setup Photos

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Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

产 品 承 认 书 SPECIFCATION CDW.C4ESP32-01 Dual band WIFI4 11n(UART)+BLE5.0 Module Spec 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 公司地址: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 2023.06.09 深圳市中龙通电子科技有限公司 Page 1 WiFi Module CDW-C4ESP32-01 更改记录: Reversion History: 版本 Version 日期 Date 更改内容 Modification 1.0 2023.06.09 First release 深圳市中龙通电子科技有限公司 Page 2 WiFi Module CDW-C4ESP32-01 1. Overview The ESP32-C3 series chips are a system-level MCU chip (SoC) with very low power consumption and high integration, In accordance with the IEEE 802.11b/g/n protocol Support for Bluetooth 5 and Bluetooth mesh ,integrating 2.4 GHz Wi-Fi and low-power Bluetooth (Bluetooth® LE) dual-mode wireless communication. 2. Features ■ The IEEE 802.11 b / g / n protocol is supported ■ Support the 1T1R mode, with data rates up to 150 Mbps ■ Support for 20mhz and 40mhz bandwidth in the 2.4 GHz band ■ Support BLE5.0 ■ 32-bit RISC-V single-core processor with main frequency up to 160 MHz 深圳市中龙通电子科技有限公司 Page 3 WiFi Module CDW-C4ESP32-01 3. Block Diagram 4. General Specification Model CDW-C4ESP32-01 Product Name WIFI4 11n(UART)+BLE5.0 Major Chipset ESP32-C3 Standard 802.11 b/g/n Frequency Band 2.4GHz WiFi Interface SDIO2.0 Operating Temperature -20~ +70°C ambient temperature Storage Temperature -40 ~ 80°C ambient temperature Dimension 24x16x2.2 (LxWxH) ±0.2mm 深圳市中龙通电子科技有限公司 Page 4 WiFi Module CDW-C4ESP32-01 5. RF Specification A. Wifi RF Specification Feature Description WLAN Standard IEEE 802.11 b/g/n WiFi compliant Frequency Range 2.4 GHz Receive Sensitivity (11b,11MHz) - 11Mbps PER @ -85dBm, typical Receive Sensitivity (11g,54Mbps) - 54Mbps PER @ -74dBm, typical Receive Sensitivity (11n,20MHz) - MCS=7 PER @ -72dBm, typical Receive Sensitivity (11n,40MHz) - MCS=7 PER @ -69dBm, typical 深圳市中龙通电子科技有限公司 Page 5 WiFi Module CDW-C4ESP32-01 6. Physical Dimensions (Unit: mm) Top View SIDE View Bottom View 7. Pin Description 深圳市中龙通电子科技有限公司 Page 6 WiFi Module CDW-C4ESP32-01 NO. Name Type Description 1 CHIP_EN EN Enable/Disable Boot,Active High 2 GPIO5 I/O GPIO,(No connect, keep floating) 3 GPIO0 I/O GPIO,(No connect, keep floating) 4 GPIO10 I/O GPIO,(No connect, keep floating) 5 GPIO18 I/O GPIO,(No connect, keep floating) 6 GPIO19 I/O GPIO,(No connect, keep floating) 7 GPIO3 I/O GPIO,(No connect, keep floating) 8 VCC P 3.3V INPUT 9 NC — No connect, keep floating 10 NC — No connect, keep floating 11 NC — No connect, keep floating 12 NC — No connect, keep floating 13 U0TXD I/O Debug pin 14 U0RXD I/O Debug pin 15 GND G Ground 16 GPIO1 I/O GPIO,(No connect, keep floating) 17 GPIO2 I/O GPIO,(No connect, keep floating) 18 GPIO9 I/O GPIO,(No connect, keep floating) 19 GPIO4 I/O GPIO,(No connect, keep floating) 20 GPIO8 I/O GPIO,(No connect, keep floating) 21 GPIO7 I/O GPIO,(No connect, keep floating) 22 GPIO6 I/O GPIO,(No connect, keep floating) 深圳市中龙通电子科技有限公司 Page 7 WiFi Module CDW-C4ESP32-01 8.Physical photo 说明:PCB不同供应商,底部丝印有微小差异 Note: Different PCB suppliers, the bottom screen printing has a small difference 9.Layout Recommendation (Bottom view) 说明:PCB封装,建议从板边向外延伸0.5mm Note: PCB package, it is recommended to extend 0.5mm from the edge of the board 深圳市中龙通电子科技有限公司 Page 8 WiFi Module CDW-C4ESP32-01 10.Baking & storage temperature & Recommended Reflow Profile (烘烤,储存温度和推荐炉温) 10.1Baking & storage temperature A. Storage life : 12 months. Storage conditions:<40°C. Relative humidity:<90%R.H. ( 保存期限: 12 个月,储存环境条件:温度在: <40°C ,相对湿度: <90%R.H.) B. After this bag is opened , devices that will be subjected to infrared reflow, vapor-phase reflow, or equivalent processing must be .( 模块包装被拆后, SMT 组装之时限 ) a. Check the humidity card :stored at ≦20%RH.If :30%~40%(pink)or greater than 40%(red).Labeling module has moisture absorption.( 检查湿度卡:显示值应小于 30% (蓝色),如: 30%~40%( 粉红色) 或 者大于 40% (红色)表示模块已吸湿气 .) b. Mounted within 168 hours at factory conditions of: t≦30%°C , ≦60%R.H. ( 工厂环境温度湿度管制: ≦30%°C , ≦60%R.H, 168 小时内。 ) c. Once opened, the workshop the preservation of life for168 hours. ( 拆封后,车间的保存寿命为 168 小时 .) C. Module apart packing after 168 hours , If baking is required, devices may be baked for. ( 如在拆封后的 168 个小时内未使用完,需要烘烤,烘烤条件如下: ) a. Modules must be to remove module moisture problem. ( 模块须重新烘烤,以除去模块吸湿问题 .) b. Baking temperature: 40°C±5°C, 120 hours. ( 烘烤温度条件: 40°C±5°C , 120 小时 ). c. After baking, put proper amount of desiccant to seal packages. ( 烘烤后,放入适量的干燥剂再密封包装 ) 深圳市中龙通电子科技有限公司 Page 9 WiFi Module CDW-C4ESP32-01 13.2 Packaging Detail: ESD CAUTION The ESP32-C3 module is ESD (electrostatic discharge) sensitive device and may be damaged with ESD or spike voltage. Although ESP32-C3 module is with built-in ESD protection circuitry, please handle with care to avoid the permanent malfunction or the performance degradation. inner box K3K: 33.5cm*34.7cm*7cm A box of 700 PCS carton K=A: 36.4*35.7*37.5cm A case of 3500 PCS Color of plastic disc: blue A roll of 700pcs(前后留空20pcs) 35±2mm Vacuum AL BAG ANTI-STATIC 深圳市中龙通电子科技有限公司 Page 10 WiFi Module CDW-C4ESP32-01 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 …

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Attestation Statements

U.S. Agent Designation for Service of Process (Applicant and U.S. Agent are Separate Parties) TO: Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 ATTENTION: FCC Certification – Section 2.911(d)(7) Information Designated U.S. Agent Company Name: HOPEK CORPORATION INC Address:4358 S BANNOCK ST ENGLEWOOD, CO 80110 United States FRN:0034562900 Contact Name: Peter Davis Tel.: 561-235-6113 Email: [email protected] This letter is to confirm that we (HOPEK CORPORATION INC) have accepted the responsibility to act as the Designated U.S. Agent for Service of Process as required by section 47 CFR 2.911(d)(7) on behalf of the Applicant noted below. U.S. Agent Signature: Date: Signed by (Printed Name/Title): The Applicant acknowledges that they must maintain an agent for no less than one year after terminating all marketing and importation OR the conclusion of any Commission-related proceeding involving the equipment. The applicant further acknowledges their responsibility to inform the FCC whenever the Designated U.S. Agent information above changes. Applicant Company name: Hunan China Dragon Technology Co., Ltd. Grantee Code: 2BFLD FCC ID: 2BFLD-CDWC4ESP3201 Contact Name: Xiaoyuesong Street Address: 3F, Kunpeng Industrial Park, No. 67 Ziyuan Road, Yuelu District, Xiang River, Changsha, China Telephone No: 13510082761 Email: [email protected] FRN: 0035185347 Applicant Signature: Date: April 1, 2024 Signed by (Printed Name/Title): Xiaoyuesong/ Manager

Attestation Statements

Hunan China Dragon Technology Co., Ltd. 2024.04.02 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for FCC ID: 2BFLD-CDWC4ESP3201 [Hunan China Dragon Technology Co., Ltd.] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) (Applicant printed name) Xiaoyuesong Hunan China Dragon Technology Co., Ltd. 2024.04.02 Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for FCC ID: 2BFLD-CDWC4ESP3201 [Hunan China Dragon Technology Co., Ltd.] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Xiaoyuesong

Cover Letter(s)

Hunan China Dragon Technology Co., Ltd. 2024.04.02 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: WiFi Module Trademark: N/A MODEL : CDW-C4ESP32-01 FCC ID : 2BFLD-CDWC4ESP3201 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 : Xiaoyuesong / Manager Contact information / address: 3F, Kunpeng Industrial Park, No. 67 Ziyuan Road, Yuelu District, Xiang River, Changsha, China

Cover Letter(s)

Hunan China Dragon Technology Co., Ltd. 2024.04.02 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA 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 : Xiaoyuesong / Manager Contact information / address: 3F, Kunpeng Industrial Park, No. 67 Ziyuan Road, Yuelu District, Xiang River, Changsha, China

Cover Letter(s)

Hunan China Dragon Technology Co., Ltd. FCC Modular Approval Request Rev 3.0 Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2024/04/02 Subject; Modular Transmitter Application Company name: Hunan China Dragon Technology Co., Ltd. FCC ID: 2BFLD-CDWC4ESP3201 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 2BFLD-CDWC4ESP3201 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. Yes, It has a shield 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, This module has a permanently attached antenna The module must demonstrate compliance in a stand-alone configuration. Yes, This module is a stand-alone configuration. 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 WiFi Module (Single Module) FCC ID: 2BFLD-CDWC4ESP3201 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). Hunan China Dragon Technology Co., Ltd. FCC Modular Approval Request Rev 3.0 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: 2BFLD-CDWC4ESP3201 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. Name: Song xiaoyue Date: 2024/04/02 Title: manager Signature of applicant

External Photos

Report No.: BCTC2403512048E External Photos Report No.: BCTC2403512048E Report No.: BCTC2403512048E

ID Label/Location Info

Size:10*10mm WiFi Module FCC ID: 2BFLD-CDWC4ESP3201 Label location

Internal Photos

Report No.: BCTC2403512048E Internal Photos Antenna Report No.: BCTC2403512048E

RF Exposure Info

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: 2BFLD-CDWC4ESP3201 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 Conclusion: For the max result: 0.00665≤ 1.0, compliance with FCC's RF Exposure The Product unsupported at the same time to Transmitting. 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 WIFI 15±1 16 39.81 0.84 (-0.74dBi) 0.00665 1 Pass BLE 3±1 4 2.51 0.84 (-0.74dBi) 0.00042 1 Pass

Test Report

深圳市鑫尔盛科技有限公司 Shenzhen xinersheng Technology Co., L td CDW-C4ESP32-01 Module antenna Date:2023-02-16 3rd3rd FFloorloor, NoNo. 9696, LingxiaLingxia RoadRoad, FenghuangFenghuang CoCommmunitymunity, FuyongFuyongStreetStreet, BaoBao' anan DistrictDistrict,SZSZ,CNCN " mE aEE mE T 1.Antenna picture 2. Return loss 3.Antenna size Unit: mm 1 4. Antenna gain and efficiency Frequency (MHz) 2400.02410.02420.02430.02440.02450.02460.02470.02480.02490.0 2500.0 Gain (dBi)-0.82-0.80-0.79-0.77-0.86-0.80-0.74-0.78-0.89-0.96 -0.99 Efficiency (%) 26.6727.2828.1228.9529.0029.2229.2528.9128.2927.81 27.61 5.AnAntenna 1 2.4G gain and efficiencytenna

Test Report

No.:BCTC/RF-EMC-005 Page: 1 of 53 Edition:B.1 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2403512048-1E Applicant: Hunan China Dragon Technology Co., Ltd. Product Name: WiFi Module Test Model: CDW-C4ESP32-01 Tested Date: 2024-03-13 to 2024-03-27 Issued Date: 2024-03-27 Report No.: BCTC2403512048-1E No.:BCTC/RF-EMC-005 Page: 2 of 53 Edition:B.1 FCC ID: 2BFLD-CDWC4ESP3201 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: WiFi Module Trademark: N/A Model/Type reference: CDW-C4ESP32-01 Prepared For: Hunan China Dragon Technology Co., Ltd. Address: 3F, Kunpeng Industrial Park, No. 67 Ziyuan Road, Yuelu District, Xiang River, Changsha, China Manufacturer: Hunan China Dragon Technology Co., Ltd. Address: 3F, Kunpeng Industrial Park, No. 67 Ziyuan Road, Yuelu District, Xiang River, Changsha, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2024-03-13 Sample tested Date: 2024-03-13 to 2024-03-27 Issue Date: 2024-03-27 Report No.: BCTC2403512048-1E Test Standards: FCC Part15.247 ANSI C63.10-2013 Test Results: PASS Remark: This is Bluetooth BLE radio test report. Tested by: Approved by: Lei Chen/Project Handler Zero Zhou/Reviewer Report No.: BCTC2403512048-1E No.:BCTC/RF-EMC-005 Page: 3 of 53 Edition:B.1 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 4.4 Channel List .......................................................................................................... 9 4.5 Test Mode ............................................................................................................. 9 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 .......................................................................................... 11 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 .................................................................................. 19 7.5 Test Result .......................................................................................................... 19 8. Radiated Band Emission Measurement And Restricted Bands Of Operation ..... 23 8.1 Block Diagram Of Test Setup .............................................................................. 23 8.2 Limit .................................................................................................................... 23 8.3 Test Procedure ................................................................................................... 24 8.4 EUT operating Conditions ................................................................................... 24 8.5 Test Result .......................................................................................................... 25 9. Power Spectral Density Test ............................................................................... 26 9.1 Block Diagram Of Test Setup .............................................................................. 26 9.2 Limit .................................................................................................................... 26 9.3 Test Procedure ................................................................................................... 26 9.4 EUT Operating Conditions .................................................................................. 26 9.5 Test Result ..........................................................................…

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Test Report

No.:BCTC/RF-EMC-005 Page: 1 of 82 Edition:B.1 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2403512048-2E Applicant: CHINA DRAGON TECHNOLOGY LIMITED Product Name: WiFi Module Test Model: CDW-C4ESP32-01 Tested Date: 2024-03-13 to 2024-03-27 Issued Date: 2024-03-27 Report No.: BCTC2403512048-2E No.:BCTC/RF-EMC-005 Page: 2 of 82 Edition:B.1 FCC ID: 2BFLD-CDWC4ESP3201 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: WiFi Module Trademark: N/A Model/Type reference: CDW-C4ESP32-01 Prepared For: Hunan China Dragon Technology Co., Ltd. Address: 3F, Kunpeng Industrial Park, No. 67 Ziyuan Road, Yuelu District, Xiang River, Changsha, China Manufacturer: Hunan China Dragon Technology Co., Ltd. Address: 3F, Kunpeng Industrial Park, No. 67 Ziyuan Road, Yuelu District, Xiang River, Changsha, China Prepared By: Shenzhen BCTC Testing Co., Ltd. Address: 1-2/F., Building B, Pengzhou Industrial Park, No.158, Fuyuan 1st Road, Zhancheng, Fuhai Subdistrict, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: 2024-03-13 Sample tested Date: 2024-03-13 to 2024-03-27 Issue Date: 2024-03-27 Report No.: BCTC2403512048-2E 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: Lei Chen/Project Handler Zero Zhou/Reviewer Report No.: BCTC2403512048-2E No.:BCTC/RF-EMC-005 Page: 3 of 82 Edition:B.1 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 ............................................................................................................. 9 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 .......................................................................................... 11 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 .................................................................................. 14 6.5 Test Result .......................................................................................................... 15 7. Radiated Emissions ............................................................................................. 17 7.1 Block Diagram Of Test Setup .............................................................................. 17 7.2 Limit .................................................................................................................... 18 7.3 Test Procedure ................................................................................................... 19 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 .............................................................…

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Test Setup Photos

Report No.: BCTC2403512048-1E No.:BCTC/RF-EMC-005 Page: 50 of 53 Edition:B.1 15. EUT Test Setup Photographs Conducted Emissions Photo Report No.: BCTC2403512048-1E No.:BCTC/RF-EMC-005 Page: 51 of 53 Edition:B.1 Radiated Measurement Photos Report No.: BCTC2403512048-1E No.:BCTC/RF-EMC-005 Page: 52 of 53 Edition:B.1

Contact Information

Applicant

Xiaoyue song
[email protected]13510082761Fax: N/A

Technical Contact

Shenzhen BCTC Testing Co., Ltd.Alan Mei
[email protected]+8675536882589

1-2/F., Building B, Pengzhou Industrial Park, · Bao'an District, Shenzhen, Guangdong · China

Test Firm

Shenzhen BCTC Testing Co., Ltd.Sally He
[email protected]15999690624

Technical Specifications

#Rule PartsFrequency RangePower Output
215C2.40 GHz - 2.48 GHz2.02 mW
Modular Type
Single Modular Approval
Confidentiality
Long Term
Grant Notes
Single Modular Approval. Output Power listed is conducted. This device has 1 MHz, 2 MHz, 20 MHz and 40 MHz bandwidth modes. End users must be provided with transmitter operating conditions for satisfying RF exposure compliance. The antenna(s) used for this transmitter as show in the filing must be installed to provide a separation distance of at least 20 cm from all persons and must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. Grantee must provide operating instructions for complying with FCC multi-transmitter product procedures. The Grantee is responsible for providing the documentation required for modular use. The responsibility for the use of this module, in all configurations utilized or contemplated, remains with the Grantee.

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