ROW-E3ESP3200WiFi Module

CDW-E3ESP32-00 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 2022.02.19 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-E3ESP32-00 更改记录： Reversion History： 版本 Version 日期 Date 更改内容 Modification 1.0 2022.02.19 First release(Draft) 深圳市中龙通电子科技有限公司 Page 2 WiFi Module CDW-E3ESP32-00 目录 1. Overview ..................................................................................................................................................... 3 2. Features ....................................................................................................................................................... 3 3. General Specification .................................................................................................................................. 4 4. DC Characteristics ...................................................................................................................................... 5 5. Pin Description and PCB size ..................................................................................................................... 5 6. Module photo .............................................................................................................................................. 6 7. Electrical characteristics ............................................................................................................................. 7 8. Power-on sequence and reset ...................................................................................................................... 7 9. Recommended Reflow Profile .................................................................................................................... 8 10. Package ..................................................................................................................................................... 9 深圳市中龙通电子科技有限公司 Page 3 WiFi Module CDW-E3ESP32-00 1. Overview CDW-E3ESP32-00 is a Cdtech self-developed low-power WIFI + BLE module. It integrates ESP32-C3FH4 solution from Espressif Semiconductor Inc., The ESP32-C3FH4 supports full features of 802.11b/g/n Wi-Fi system, with both HT20 and HT40 capability. The integrated Bluetooth low energy 5.0 shares the single antenna port with Wi-Fi transceiver, and both Wi-Fi and Bluetooth could work simultaneously with precise time multiplexing 2. Features ■ Support IEEE 802.11b/g/n ■ Embedded a 32-bit MCU up to 160MHz ■ Program memory: internal 4MB Flash ■ Supports 1T1R mode with data rates up to 150 Mbps ■ Data memory: 400 KB internal data RAM, 384KB internal ROM memory ■ Frequency of crystal oscillator: 40MHz ■ Support Bluetooth Low Power (Bluetooth LE) : Bluetooth 5 深圳市中龙通电子科技有限公司 Page 4 WiFi Module CDW-E3ESP32-00 3. General Specification Model CDW-E3ESP32-00 wlan standard IEEE 802.11b/g/n WIFI and BLE 5.0 Major Chipset ESP32-C3FH4 Modulation 802.11b(DSSS):CCK(11,5.5Mbps),DQPSK(2Mbps),DBPSK(1Mbps )802.11g(OFDM):BPSK(9,6Mbps),QPSK(18,12Mbps),16QAM(36,2 4Mbps),64QAM(54,48Mbps) 802.11n(OFDM):BPSK,QPSK,16QAM,64QAM(65Mbps;BLE(GFSK Π/4-DQPSK 8-DPSK) Channel Bandwidth WIFI:20MHz/40MHz BLE:2MHz Frequency Band WiFi:2400~2483.5MHZ BT: 2402~2480MHZ Interface UART Encryption WEP/WPA-PSK/WPA2-PSK SPI flash 4M Byte default Embedded Power Consumption DC3.3V 350mA Operating Temperature -20~ +70°C ambient temperature Storage Temperature -40 ~ 125°C ambient temperature Humidity 5 to 90 % maximum (non-condensing) Dimension 13.5x8.5 x 2.5 mm (LxWxH) ±0.2mm 深圳市中龙通电子科技有限公司 Page 5 WiFi Module CDW-E3ESP32-00 4. DC Characteristics Description PEAK Unit RX 802.11b/g/n, HT20 84 mA RX 802.11n, HT40 87 mA TX 802.11b, 1 Mbps 335 mA TX 802.11g, 54 Mbps 285 mA TX 802.11n, HT20, MCS 7 276 mA TX 802.11n, HT40, MCS 7 278 mA Note: The above power consumption data is based on a 3.3V power supply at a 25 °C ambient temperatur e at an RF interface. All transmission data are based on 100% Duty cycle of. 5. Pin Description and PCB size 深圳市中龙通电子科技有限公司 Page 6 WiFi Module CDW-E3ESP32-00 NO Name Description NO Name Description 1 ANT RF Input 2 GND Grounding 3 GPIO5 GPIO 4 GPIO6 GPIO 5 GPIO4 GPIO 6 VCC DC power input(3.3V) Test point EN(download pull-up);GPIO9;TX;RX Note:To ensure to burn software, Please follow the step 1 and 2. 1.the RC delay circuit needs to be added to the CHIP_EN pin. RC is generally recommended to be R = 10 K ω and C = 1 μF, but the specific values need to be adjusted based on the power-on sequence of the power supply and the power-on reset sequence of the chip. 2.GPIO9 need to be pulled down 3.TX/RX download UARTport ，Console Rate：115200bps. 4.VCC supply ripple<30mV 6. Module photo PCBA physical photo 深圳市中龙通电子科技有限公司 Page 7 WiFi Module CDW-E3ESP32-00 7. Electrical characteristics 7.1 Recommended working conditions 7.2 Absolute maximum rating 8. Power-on sequence and reset 8.1 Power-on sequence The ESP32-C3 series chips use 3.3V as the unified system power supply, so the power-on sequence only needs to follow pin 7 of the ESP32-C3 series chips ,CHIP_EN The enabling pin is powered on later than the 3.3 V system power supply. Symbol Parameter Min Type Max Units VDDA,VDD3P3,VDD3P3_RTC Power pin voltage 3.0 3.3 3.6 v VDD3P3_CPU Power pin voltage 3.0 3.3 3.6 v IVDD Power supply current of the external power supply 0.5 — — A TA Environment temperature 40 — 85 °C Symbol Parameter Min Max Units VDDA, VDD3P3, VDD3P3_RTC, VDD3P3_CPU Power pin voltage 0.3 3.6 v TSTORE Storage temperature 40 150 °C Parameter Explain Min(μs) t 0 CHIP_EN pins are powered on later than VDDA, VDD3P3, VDD3P3_RTC and VDD3P3_RTC VDD3P3_CPU power-on delay time 50 t 1 CHIP_EN electrical level falls below VIL_nRST time 50 深圳市中龙通电子科技有限公司 Page 8 WiFi Module CDW-E3ESP32-00 Note:To ensure the normal power supply when the chip is powered on, t…

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CHINA DRAGON TECHNOLOGY LIMITED Agent Authorization Company: CHINA DRAGON TECHNOLOGY LIMITED Address: B4 Bidg. haosan No.1 lndustry Park, Shajing street, B, Shenzhen, China Product Name: WiFi Module Model Number(s): CDW-E3ESP32-00 Product Description: WiFi Module We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature: Date: 2022/03/09 Name: Liu Xiaodong Title: Manager Company: CHINA DRAGON TECHNOLOGY LIMITED

CHINA DRAGON TECHNOLOGY LIMITED FCC Modular Approval Request Rev 3.0 Federal Communications Commission Equipment Authorization Division 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2022/03/09 Subject; Modular Transmitter Application Company name: WiFi Module FCC ID: ROW-E3ESP3200 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-E3ESP3200 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, It 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, 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 module is labeled with its permanently affixed FCC ID label 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) CHINA DRAGON TECHNOLOGY LIMITED FCC Modular Approval Request Rev 3.0 &Measurement 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-E3ESP3200 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 11 2.3 Summarize the specific operational use conditions Page 11 2.4 Limited module procedures Page 11 2.5 Trace antenna designs Page 12 2.6 RF exposure considerations Page 12 2.7 Antennas Page 13 2.8 Label and compliance information Page 13 2.9 Information on test modes and additional testing requirements Page 13 2.10 Additional testing, Part 15 Subpart B disclaimer Page 14 Name: Liu Xiaodong Date: 2022/03/09 Title: manager Signature of applicant

CHINA DRAGON TECHNOLOGY LIMITED Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: 2022/03/09 Subject; Request for Confidentiality FCC ID: ROW-E3ESP3200 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Software security requirement Operational Description In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Liu Xiaodong Title: Manager

External Photos

Size:8*5mm WiFi Module FCC ID: ROW-E3ESP3200 Label location

Internal Photos Antenna

FCC §15.247 (i), §2.1091 – RF Exposure FCC ID: ROW-E3ESP3200 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 For the Max simultaneous transmission: Conclusion: For the max result : 0.01301≤ 1.0, compliance with FCC's RF Exposure 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 1.58 (2dBi) 0.01251 1 Pass BLE 1±1 2 1.58 1.58 (2dBi) 0.0005 1 Pass Power Density (S) (mW/ cm2) Total Power Density (S) Limit Result BLE 0.0005 0.01301 1 Pass WIFI 0.01251

No.：BCTC/RF-EMC-005 Page: 1 of 54 Edition：A.4 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2202614654-1E Applicant: CHINA DRAGON TECHNOLOGY LIMITED Product Name: WiFi Module Model/Type Ref.: CDW-E3ESP32-00 Tested Date: 2022-02-25 to 2022-03-04 Issued Date: 2022-03-04 Report No.: BCTC2202614654-1E No.：BCTC/RF-EMC-005 Page: 2 of 54 Edition：A.4 FCC ID: ROW-E3ESP3200 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 Ref.: CDW-E3ESP32-00 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: 2022-02-25 Sample tested Date: 2022-02-25 to 2022-03-04 Issue Date: 2022-03-04 Report No.: BCTC2202614654-1E 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.: BCTC2202614654-1E No.：BCTC/RF-EMC-005 Page: 3 of 54 Edition：A.4 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 ............................................................................................... 8 4.4 Channel List .......................................................................................................... 9 4.5 Test Mode ............................................................................................................. 9 4.6 Table Of Parameters Of Text Software Setting ..................................................... 9 5. Test Facility And Test Instrument Used ............................................................... 10 5.1 Test Facility ......................................................................................................... 10 5.2 Test Instrument Used .......................................................................................... 10 6. Conducted Emissions .......................................................................................... 12 6.1 Block Diagram Of Test Setup .............................................................................. 12 6.2 Limit .................................................................................................................... 12 6.3 Test Procedure ................................................................................................... 12 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 .......................................................................................................... 20 8. Radiated Band Emission Measurement And Restricted Bands Of Operation ..... 24 8.1 Block Diagram Of Test Setup .............................................................................. 24 8.2 Limit .................................................................................................................... 24 8.3 Test Procedure ................................................................................................... 25 8.4 EUT operating Conditions ................................................................................... 25 8.5 Test Result .......................................................................................................... 26 9. Power Spectral Density Test ............................................................................... 27 9.1 Block Diagram Of Test Setup .............................................................................. 27 9.2 Limit .................................................................................................................... 27 9.3 Test Procedure ................................................................................................... 27 9.4 EUT Operating Conditions .................................................................................. 27 9.5 Test Result ..............................…

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No.：BCTC/RF-EMC-005 Page: 1 of 81 Edition：A.4 TEST REPORT Shenzhen BCTC Testing Co., Ltd. Report No.: BCTC2202614654-2E Applicant: CHINA DRAGON TECHNOLOGY LIMITED Product Name: WiFi Module Model/Type Ref.: CDW-E3ESP32-00 Tested Date: 2022-02-25 to 2022-03-04 Issued Date: 2022-03-04 Report No.: BCTC2202614654-2E No.：BCTC/RF-EMC-005 Page: 2 of 81 Edition：A.4 FCC ID: ROW-E3ESP3200 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 Ref.: CDW-E3ESP32-00 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: 2022-02-25 Sample tested Date: 2022-02-25 to 2022-03-04 Issue Date: 2022-03-04 Report No.: BCTC2202614654-2E 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.: BCTC2202614654-2E No.：BCTC/RF-EMC-005 Page: 3 of 81 Edition：A.4 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 ............................................................................................... 8 4.4 Channel List .......................................................................................................... 9 4.5 Test Mode ............................................................................................................. 9 4.6 Table Of Parameters Of Text Software Setting ..................................................... 9 5. Test Facility And Test Instrument Used ............................................................... 10 5.1 Test Facility ......................................................................................................... 10 5.2 Test Instrument Used .......................................................................................... 10 6. Conducted Emissions .......................................................................................... 12 6.1 Block Diagram Of Test Setup .............................................................................. 12 6.2 Limit .................................................................................................................... 12 6.3 Test Procedure ................................................................................................... 12 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 .......................................................................................................... 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 ...........................…

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Report No.: BCTC2202614654-1E No.：BCTC/RF-EMC-005 Page: 52 of 54 Edition：A.4 15. EUT Test Setup Photographs Conducted emissions Photos Radiated Measurement Photos Report No.: BCTC2202614654-1E No.：BCTC/RF-EMC-005 Page: 53 of 54 Edition：A.4