2ATPO-ESP-C3-XWi-Fi & BT Module

ESP-C3-12F Specification V1.0 Copyright © 2021 Shenzhen Ai-Thinker Technology Co., Ltd All Rights Reserved Page 1 of 19 ESP-C3-12F Specification Version V1.0 Copyright ©2021 ESP-C3-12F Specification V1.0 Copyright © 2021 Shenzhen Ai-Thinker Technology Co., Ltd All Rights Reserved Page 2 of 19 Disclaimer and copyright notice The information in this article, including the URL address for reference, is subject to change without prior notice. The documentation is provided "as is" without any warranty, including any warranties of merchantability, fitness for a particular purpose, or non-infringement, and any warranties mentioned in the proposal, specification or sample. This document is not responsible for any infringement of any patent rights arising out of the use of the information in this document. No license, express or implied, by estoppel or otherwise, is hereby granted. The test data obtained in this paper are all obtained by Ai-Thinker laboratory , and the actual results may be slightly different. The Wi-Fi alliance membership mark is owned by the WiFi alliance. All trade mark names, trademarks and registered trademarks mentioned herein are the property of their respective owners and are hereby declared. The final interpretation right is owned by Shenzhen Ai-Thinker Technology Co., Ltd. Note The contents of this manual may be changed due to the version upgrade of the product or other reasons. Shenzhen Ai-Thinker Technology Co., Ltd. reserves the right to modify the contents of this manual without any notice. This manual is only used as a guide, and Shenzhen Ai-Thinker Technology Co., Ltd. makes every effort to provide accurate information in this manual, but Shenzhen Ai-Thinker Technology Co., Ltd. does not ensure that the contents of the manual are completely true,, All statements and information in this manual. and the recommendations do not constitute for any warranty, express or implied. ESP-C3-12F Specification V1.0 Copyright © 2021 Shenzhen Ai-Thinker Technology Co., Ltd All Rights Reserved Page 3 of 19 Document development/revision/revocation resume Vision Data Revised content Edition Approve V1.0 2021.02.24 First Edition Deng Chaomei Ning Guan ESP-C3-12F Specification V1.0 Copyright © 2021 Shenzhen Ai-Thinker Technology Co., Ltd All Rights Reserved Page 4 of 19 CONTENT 1 Product Overview ........................................................................................................................................... 5 1.1. Characteristics .................................................................................................................................... 6 1.2. Main parameters ................................................................................................................................. 7 2 Electrical parameters ...................................................................................................................................... 8 2.1. Electrical characteristics ..................................................................................................................... 8 2.2. WIFI RF performance ........................................................................................................................ 8 2.3. BLE RF performance ......................................................................................................................... 9 2.4. Power consumption ............................................................................................................................ 9 3 Appearance dimensions ................................................................................................................................ 11 4 Pin definition ................................................................................................................................................ 13 5 Schematic diagrams ...................................................................................................................................... 15 6 Design guidance ........................................................................................................................................... 16 6.1. Note： ...................................................................... 16 6.2. Antenna layout requirements ............................................................................................................ 16 6.4. GPIO Interface.................................................................................................................................. 17 7 Reflow soldering .......................................................................................................................................... 18 8 Packaging information ................................................................................................................................. 19 9 Contact us ..................................................................................................................................................... 19 ESP-C3-12F Specification V1.0 Copyright © 2021 Shenzhen Ai-Thinker Technology Co., Ltd All Rights Reserved Page 5 of 19 1 Product Overview ESP-C3-12F is a Wi-Fi module developed by Ai-Thinker. This module core processor ESP32-C3 is a Wi-Fi+ BLE combination of system-level chips (SoC), designed for various applications such as internet of things (IoT), mobile devices, wearable electronics, smart home, etc. ESP32-C3 with industry-leading low power and RF performance, supporting Wi-Fi IEEE802.11b/g/n agreements and BLE 5.0. ESP32-C3 chip is equipped with 32-bit RISC-V single-core processor, operating frequency up to 160 MHz. The chip is support to have secondary development without using other microcontrollers or processors. The chip has a built-in 400 KB SRAM，384 KB ROM，8KB RTC SRAM.Also, the chip support external Flash while it built-in 4Mbit Flash. ESP32-C3 chip supports a variety of low-power consumption working states, which …

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Shenzhen Ai-Thinker Technology Co., Ltd version01 Single Modular Approval Request Letter Date: 2021-08-04 FCC ID: 2ATPO-ESP-C3-X Type of Equipment: DTS The following requirements according to FCC Part 15.212 are met: i RF shielding The radio portion has his own shielding (see external photos). ii Buffered modulation/data inputs, has been integrated in the chipset iii Power supply regulation, is integrated iv Antenna requirements section 15.203, 15.204 b and 15.204 c The module comes with permanently attached antennas. The spurious emission requirements are fulfilled (see attached test report). Antenna Type For model ESP-C3-12F, ESP-C3-32S,ESP-C3-13,ESP-C3-01M: PCB Antenna For model ESP-C3-13U: FPCB Antenna Antenna Gain For model ESP-C3-12F, ESP-C3-32S,ESP-C3-13,ESP-C3-01M: 2dBi For model ESP-C3-13U: 2dBi v Stand alone test configuration Please referring to test set up configuration photo vi Labelling The module has its own label. The instruction for labelling rules for the host device has been stated in the users manual vii Compliance on specific rule or operating requirements The required FCC rules has been fulfilled and all instructions for maintaining compliance has been clearly stated in the users manual viii RF Exposure, RF exposure requirements are fulfilled for mobile configuration. The installation of the module is restricted to mobile host devices what is clearly stated in the installation instruction of the user manual. For portable applications OEM integrators need SAR evaluation and an own FCC ID. Name: guan ning Title: manager Company: Shenzhen Ai-Thinker Technology Co., Ltd

S21051101103 Model: ESP-C3-12F ATTACHMENT PHOTOGRAPHS OF EUT Photo 1 Photo 2 - ESP-C3-12F S21051101103 Model: ESP-C3-12F Photo 3 - ESP-C3-12F Photo 4 - ESP-C3-13 S21051101103 Model: ESP-C3-12F Photo 5 - ESP-C3-13 Photo 6 - ESP-C3-32S S21051101103 Model: ESP-C3-12F Photo 7 - ESP-C3-32S Photo 8 - ESP-C3-01M S21051101103 Model: ESP-C3-12F Photo 9 - ESP-C3-01M Photo 10 - ESP-C3-13U S21051101103 Model: ESP-C3-12F Photo 11 - ESP-C3-13U

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S21051101103 Model: ESP-C3-12F Photo 1 - ESP-C3-12F Photo 2 - ESP-C3-12F ANT S21051101103 Model: ESP-C3-12F Photo 3 - ESP-C3-13 Photo 4 - ESP-C3-13 ANT S21051101103 Model: ESP-C3-12F Photo 5 - ESP-C3-32S Photo 6 - ESP-C3-32S ANT S21051101103 Model: ESP-C3-12F Photo 7 - ESP-C3-01M Photo 8 - ESP-C3-01M ANT S21051101103 Model: ESP-C3-12F Photo 9 - ESP-C3-13U Photo 10 - ESP-C3-13U ANT

version01 Shenzhen Ai-Thinker Technology Co., Ltd Declaration concerning Antenna Specification It is hereby declared that the product Model No.: ESP-C3-12F, ESP-C3-32S, ESP-C3-13, ESP-C3-01M, ESP-C3-13U FCC ID: 2ATPO-ESP-C3-X fulfills the requirement in FCC test relating to the antenna type. The device specified above confirms to the FCC recommendations for antenna type(s) described below: For model: ESP-C3-12F, ESP-C3-32S, ESP-C3-13, ESP-C3-01M: Model No. of antenna: N/A Type of antenna: PCB Antenna Gain of antenna: 2dBi Frequency range: BLE: 2402-2480MHz WIFI: 2412-2462MHz For model: ESP-C3-13U Model No. of antenna: N/A Type of antenna: FPCB Antenna Gain of antenna: 2dBi Frequency range: BLE: 2402-2480MHz WIFI: 2412-2462MHz The mounting of the antenna is fixed to the radio module and no other antenna should be used. Company name: Shenzhen Ai-Thinker Technology Co., Ltd Address: 410, Block C, Huafeng Smart Innovation Port, Gushu 2nd Road, Gushu Community, Xixiang Street, Baoan District, Shenzhen, China City: Shenzhen ZIP / Postal code: Country: China Place: guan ning/manager Date: 2021/08/04 Signature:

FCC ID: 2ATPO-ESP-C3-X RF EXPOSURE EVALUATION According to FCC 1.1310: 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) MPE Calculation Method E (V/m) ＝ d GP**30 Power Density: Pd (W/m²) ＝ 377 2 E E ＝ Electric field (V/m) P ＝ Average RF output power (W) G ＝ EUT Antenna numeric gain (numeric) d ＝ Separation distance between radiator and human body (m) The formula can be changed to Pd ＝ 2 *377 **30 D GP From the EUT RF output power, the minimum mobile separation distance, d=0.2m, as well as the gain of the used antenna, the RF power density can be obtained. Measurement Result Operation Frequency: BT: 2402-2480MHz WIFI:2412-2462MHz Power density limited: 1mW/ cm 2 Antenna gain: 2dBi, R=20cm conducted power Evaluation result Power density Limits (dBm)(mW)(dBi)Numeric 2402 -2.38 -3±1-2 0.6312.001.580.00021 2440 -3.78 -4±1-3 0.5012.001.580.00021 2480 -4.05 -4±1-3 0.5012.001.580.00021 Channel Freq. (MHz) modulation Tune-up power (dBm) (dBm) BLE (mW/cm2 )(mW/cm2) Antenna Gain Max tune-up power conducted power Evaluation result Power density Limits (dBm)(mW)(dBi)Numeric 241213.59 13±114 25.1192.001.580.00791 243713.67 13±114 25.1192.001.580.00791 246212.94 13±114 25.1192.001.580.00791 241212.7 12±113 19.9532.001.580.00631 243712.41 12±113 19.9532.001.580.00631 246211.89 12±113 19.9532.001.580.00631 241211.74 12±113 19.9532.001.580.00631 243711.94 12±113 19.9532.001.580.00631 246211.02 12±113 19.9532.001.580.00631 242212.14 12±113 19.9532.001.580.00631 243711.43 12±113 19.9532.001.580.00631 245211.88 12±113 19.9532.001.580.00631 802.11n HT40 (mW/cm2 ) Channel Freq. (MHz) modulation Tune-up power (dBm) (dBm) 802.11b 802.11g (mW/cm2) Antenna Gain Max tune-up power 802.11n HT20 Note: The WiFi/BLE does not support simultaneous transmission Conclusion: For the max result : 0.0079≤ 1.0 for Max Power Density, compliance RF exposure.. Signature: Date: 2021-08-04 NAME AND TITLE (Please print or type): Alex Li/Manager COMPANY (Please print or type): Shenzhen NTEK Testing Technology Co., Ltd./ 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen P.R. China.

Report No.: S21051101103001 Version.1.3 Page 1 of 51 RADIO TEST REPORT FCC ID: 2ATPO-ESP-C3-X Product: Wi-Fi & BT Module Trade Mark: B&T, Ai-Thinker Model No.: ESP-C3-12F Family Model: ESP-C3-32S,ESP-C3-13,ESP-C3-01M, ESP-C3-13U Report No.: S21051101103001 Issue Date: June 07, 2021 Prepared for Shenzhen Ai-Thinker Technology Co., Ltd 410, Block C, Huafeng Smart Innovation Port, Gushu 2nd Road, Gushu Community, Xixiang Street, Baoan District, Shenzhen, China Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park, Sanwei Community, Xixiang Street Bao’an District, Shenzhen 518126 P.R. China Tel. 400-800-6106,0755-2320 0050 / 2320 0090 Website: http://www.ntek.org.cn Report No.: S21051101103001 Version.1.3 Page 2 of 51 TABLE OF CONTENTS 1 TEST RESULT CERTIFICATION ...................................................................................................................... 3 2 SUMMARY OF TEST RESULTS ......................................................................................................................... 4 3 FACILITIES AND ACCREDITATIONS ............................................................................................................. 5 3.1 FACILITIES..................................................................................................................................................... 5 3.2 LABORATORY ACCREDITATIONS AND LISTINGS ................................................................................. 5 3.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 5 4 GENERAL DESCRIPTION OF EUT .................................................................................................................. 6 5 DESCRIPTION OF TEST MODES ..................................................................................................................... 8 6 SETUP OF EQUIPMENT UNDER TEST ........................................................................................................... 9 6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ....................................................................... 9 6.2 SUPPORT EQUIPMENT............................................................................................................................... 10 6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS .............................................................................................. 11 7 TEST REQUIREMENTS .................................................................................................................................... 13 7.1 CONDUCTED EMISSIONS TEST ............................................................................................................... 13 7.2 RADIATED SPURIOUS EMISSION ............................................................................................................ 16 7.3 6DB BANDWIDTH ....................................................................................................................................... 31 7.4 DUTY CYCLE ............................................................................................................................................... 32 7.5 PEAK OUTPUT POWER .............................................................................................................................. 34 7.6 POWER SPECTRAL DENSITY ................................................................................................................... 35 7.7 CONDUCTED BAND EDGE MEASUREMENT......................................................................................... 37 7.8 SPURIOUS RF CONDUCTED EMISSIONS................................................................................................ 38 7.9 ANTENNA APPLICATION .......................................................................................................................... 39 8 TEST RESULTS ................................................................................................................................................... 40 8.1 MAXIMUM CONDUCTED OUTPUT POWER ....................................................................................................... 40 8.2 OCCUPIED CHANNEL BANDWIDTH .................................................................................................................. 42 8.3 MAXIMUM POWER SPECTRAL DENSITY LEVEL ............................................................................................... 44 8.4 BAND EDGE .................................................................................................................................................... 46 8.5 CONDUCTED RF SPURIOUS EMISSION ............................................................................................................. 48 Report No.: S21051101103001 Version.1.3 Page 3 of 51 1 TEST RESULT CERTIFICATION Applicant’s name ......................... : Shenzhen Ai-Thinker Technology Co., Ltd Address ....................................... : 410, Block C, Huafeng Smart Innovation Port, Gushu 2nd Road, GushuCommunity, Xixiang Street, Baoan District, Shenzhen, China Manufacturer's Name .................. : Shenzhen Ai-Thinker Technology Co., Ltd Address ....................................... : 410, Block C, Huafeng Smart Innovation Port, Gushu 2nd Road, GushuCommunity, Xixiang Street, Baoan District, Shenzhen, China Product description Product name .............................. : Wi-Fi & BT Module Model and/or type reference ..... : ESP-C3-12F Family Model ............................... : ESP-C3-32S,ESP-C3-13,ESP-C3-01M,ESP-C3-13U Measurement Procedure Used: APPLICABLE STANDARDS APPLICABLE STANDARD/ TEST PROCEDURE TEST RESULT FCC 47 CFR Part 2, Subpart J FCC 47 CFR Part 15, Subpart C ANSI C63.10-2013 KDB 558074 D01 15.247 Meas Guidance v05r02 Complied This device described above has been tested by Shenzhen NTEK Testing T…

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Report No.: S21051101103002 Version.1.3 Page 1 of 86 FCC RADIO TEST REPORT FCC ID: 2ATPO-ESP-C3-X Product: Wi-Fi & BT Module Trade Mark: B&T, Ai-Thinker Model No.: ESP-C3-12F Family Model: ESP-C3-32S,ESP-C3-13,ESP-C3-01M, ESP-C3-13U Report No.: S21051101103002 Issue Date: June 07, 2021 Prepared for Shenzhen Ai-Thinker Technology Co., Ltd 410, Block C, Huafeng Smart Innovation Port, Gushu 2nd Road, Gushu Community, Xixiang Street, Baoan District, Shenzhen, China Prepared by Shenzhen NTEK Testing Technology Co., Ltd. 1/F, Building E, Fenda Science Park Sanwei, Xixiang, Bao'an District Shenzhen, Guangdong, China Tel. 400-800-6106,0755-2320 0050 / 2320 0090 Website: http://www.ntek.org.cn Report No.: S21051101103002 Version.1.3 Page 2 of 86 TABLE OF CONTENTS 1 TEST RESULT CERTIFICATION ...................................................................................................................... 3 2 SUMMARY OF TEST RESULTS ......................................................................................................................... 4 3 FACILITIES AND ACCREDITATIONS ............................................................................................................. 5 3.1 FACILITIES ....................................................................................................................................................... 5 3.2 LABORATORY ACCREDITATIONS AND LISTINGS .................................................................................... 5 3.3 MEASUREMENT UNCERTAINTY ............................................................................................................... 5 4 GENERAL DESCRIPTION OF EUT .................................................................................................................. 6 5 DESCRIPTION OF TEST MODES ..................................................................................................................... 8 6 SETUP OF EQUIPMENT UNDER TEST ......................................................................................................... 10 6.1 BLOCK DIAGRAM CONFIGURATION OF TEST SYSTEM ..................................................................... 10 6.2 SUPPORT EQUIPMENT............................................................................................................................... 11 6.3 EQUIPMENTS LIST FOR ALL TEST ITEMS .............................................................................................. 12 7 TEST REQUIREMENTS .................................................................................................................................... 14 7.1 CONDUCTED EMISSIONS TEST ............................................................................................................... 14 7.2 RADIATED SPURIOUS EMISSION ............................................................................................................ 17 7.3 6DB BANDWIDTH ....................................................................................................................................... 39 7.4 DUTY CYCLE ............................................................................................................................................... 41 7.5 MAXIMUM OUTPUT POWER .................................................................................................................... 42 7.6 POWER SPECTRAL DENSITY ................................................................................................................... 44 7.7 CONDUCTED BAND EDGE MEASUREMENT......................................................................................... 46 7.8 SPURIOUS RF CONDUCTED EMISSIONS................................................................................................ 48 7.9 ANTENNA APPLICATION .......................................................................................................................... 49 8 TEST RESULTS ................................................................................................................................................... 50 8.1 MAXIMUM CONDUCTED OUTPUT POWER ....................................................................................................... 50 8.2 OCCUPIED CHANNEL BANDWIDTH .................................................................................................................. 51 8.3 MAXIMUM POWER SPECTRAL DENSITY LEVEL ............................................................................................... 58 8.4 BAND EDGE .................................................................................................................................................... 65 8.5 CONDUCTED RF SPURIOUS EMISSION ............................................................................................................. 74 Report No.: S21051101103002 Version.1.3 Page 3 of 86 1 TEST RESULT CERTIFICATION Applicant’s name ......................... : Shenzhen Ai-Thinker Technology Co., Ltd Address ....................................... : 410, Block C, Huafeng Smart Innovation Port, Gushu 2nd Road, GushuCommunity, Xixiang Street, Baoan District, Shenzhen, China Manufacturer's Name .................. : Shenzhen Ai-Thinker Technology Co., Ltd Address ....................................... : 410, Block C, Huafeng Smart Innovation Port, Gushu 2nd Road, GushuCommunity, Xixiang Street, Baoan District, Shenzhen, China Product description Product name .............................. : Wi-Fi & BT Module Model and/or type reference ...... : ESP-C3-12F Family Model ............................... : ESP-C3-32S,ESP-C3-13,ESP-C3-01M,ESP-C3-13U Measurement Procedure Used: APPLICABLE STANDARDS APPLICABLE STANDARD/ TEST PROCEDURE TEST RESULT FCC 47 CFR Part 2, Subpart J FCC 47 CFR Part 15, Subpart C ANSI C63.10-2013 KDB 558074 D01 15.247 Meas Guidance v05r02 Complied This device described above has been tested by Shenzhen NTEK Testing Technology Co., L…

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FCC ID: 2ATPO-ESP-C3-X Radiated Measurement Photos FCC ID: 2ATPO-ESP-C3-X Conducted Measurement Photos