
Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.
Paper Color 1. Description Paper Color is a development board featuring a 4-inch E Ink Spectra 6 full-color e-paper display with a resolution of 400×600, offering the combined advantages of low power consumption and high visibility. At its core is the integrated ESP32-S3R8 main controller, equipped with 16MB Flash and 8MB PSRAM, and supporting 2.4GHz Wi-Fi wireless communication. The board integrates a complete human-machine interaction system, including three programmable buttons, an audio system based on the ES8311 audio codec, a MEMS microphone with AEC echo cancellation functionality, and AW8737A amplifier-driven speakers, enabling high-quality voice capture and audio playback. For expanded functionality, the board includes an onboard SHT40I temperature and humidity sensor, an RX8130CE real- time clock, a microSD card slot, an infrared transmitter, two RGB LEDs, and an HY2.0-4P expansion interface. Combined with the M5PM1 multi-stage power management system and a 1250mAh lithium battery, it enables long-lasting, low-power operation. It is suitable for IoT and embedded applications such as electronic signage, voice interaction terminals, environmental monitoring instruments, and artistic display installations. 2. Specifications Specification Parameters SoC ESP32-S3R8 @ Dual-core Xtensa LX7 Processor, up to 240MHz PSRAM 8MB Flash 16MB Wi-Fi 2.4 GHz Wi-Fi Audio Codec ES8311: 24-bit resolution, Microphone MEMS Microphone, ES7210 Audio ADC, integrated AEC circuit Speaker 8Ω @ 1W 2520 Speaker, AW8737A Audio Amplifier Temperature & Humidity Sensor SHT40I-AD1B-R2 Charging IC IP2315 3. Quick Start 3.1 Preparation 1. Visit the official Arduino website and install the Arduino IDE https://www.arduino.cc/en/Main/Software 2. Add the following Board Manager URL to File → Preferences → Additional Boards Manager URLs: https://espressif.github.io/arduino-esp32/package_esp32_dev_index.json 3. Open the Boards Manager, search for "ESP32", and click install. 4. After installation, select the board "ESP32S3 Dev Module" 5. Configure the following options. USB CDC On Boot: "Enabled", PSRAM:"OPI PSRAM", USB Mode: "Hardware CDC and JTAG" 3.2 Wi-Fi Scan Select the example program "Examples" → "WiFi" → "WiFiScan", choose the port corresponding to your device, and click the compile and upload button in the top-left corner. After uploading is complete, open the Serial Monitor to view Wi-Fi scan information. 3.3 BLE Scan Select the example program "Examples" → "BLE" → ”Scan”, choose the port corresponding to your device, and click the compile and upload button in the top-left corner. After uploading is complete, open the Serial Monitor to view BLE scan information. 4. FCC Warning FCC Caution: Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to ope rate the 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 caus e undesired operation. IMPORTANT NOTE: 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. FCC Radiation Exposure Statement: This model product has been tested and meets the RF exposure guidelines with the test distance 0mm for body worn. The highest SAR1g value is 0.365 W/Kg. The use of belt clips, holsters and similar accessories should not contain metallic components in its assembly. The use of accessories that do not satisfy these requirements may not comply with RF exposure requirements, and should be avoided
Local Representative Letter For Certification Service in the USA Federal Communications Commission Equipment Authorization Division, Application Processing Branch 7435 Oakland Mills Road Columbia, MD 21048 To whom it may concern Pursuant to Section 2.911(d)(7), of the Commission’s Rules (47 C.F.R.) we attest as follows for the product listed below: FCC IDModel name 2AN3WM5PAPERCOLORPaper Color We hereby acknowledge as follows: i.both signees confirm that the point of contact accepts responsibility to act as a US- American Representative on behalf of the applicant ii.the point of contact provides the physical U.S. address and email as listed below iii.both parties maintain the requirements of this agreement for no less than one year after the grantee has terminated all marketing and importation or the conclusion of any Commission-related proceeding involving the equipment. iv.An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. US-American Point of ContactApplicant/Approval Holder Signature Date: 2026-02-27 Signature Date: 2026-02-27 Company Name:GLOCERTS TECHNOLOGY INCM5Stack Technology Co., Ltd FRN:00363397370026912345 Contact Name:Huiying FanJimmy Lai Address:19784 SUNKISSED RIDGE DR, RIVERSIDE, CA 92507 Block A10, Expo Bay South Coast, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Phone:(626) 588-803913509230623 Email:[email protected]@M5Stack.com
Page 1 of 3 2AN3WM5PAPERCOLOR External photos Page 2 of 3 2AN3WM5PAPERCOLOR Page 3 of 3 2AN3WM5PAPERCOLOR
Label FCC ID: 2AN3WM5PAPERCOLOR
Page 1 of 3 2AN3WM5PAPERCOLOR Internal photos Page 2 of 3 2AN3WM5PAPERCOLOR Page 3 of 3 2AN3WM5PAPERCOLOR PIFA ANT
Page 1 of 61 Report No.: AiTSZ-260129040FW3 FCC SAR EVALUATION REPORT In accordance with the requirements of FCC 47 CFR Part 2(2.1093) and IEEE Std 1528-2013 Product Name: M5Paper Color Model No.: Paper Color Serial Model: N/A Brand Name: Report No.: AiTSZ-260129040FW3 FCC ID: 2AN3WM5PAPERCOLOR Prepared for M5Stack Technology Co., Ltd Block A10, Expo Bay South Coast, Fuhai Street, Bao'an District, Shenzhen, China Prepared by Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Page 2 of 61 Report No.: AiTSZ-260129040FW3 TEST RESULT CERTIFICATION Applicant’s name ................. : M5Stack Technology Co., Ltd Address ................................. : Block A10, Expo Bay South Coast, Fuhai Street, Bao'an District, Shenzhen, China Manufacturer's Name .......... : M5Stack Technology Co., Ltd Address ................................. : Block A10, Expo Bay South Coast, Fuhai Street, Bao'an District, Shenzhen, China Product description Product name ........................ : M5Paper Color Trademark ........................... : Model and/or type reference : Paper Color Serial Model........................... : N/A Standards ............................. : FCC 47 CFR Part 2(2.1093) IEEE Std 1528-2013 Published RF exposure KDB procedures This device described above has been tested by Guangdong Asia Hongke Test Technology Limited. In accordance with the measurement methods and procedures specified in IEEE Std 1528-2013 and KDB 865664 D01.Testing has shown that this device is capable of compliance with localized specific absorption rate (SAR) specified in FCC 47 CFR Part 2(2.1093). The test results in this report apply only to the tested sample of the stated device/equipment. Other similar device/equipment will not necessarily produce the same results due to production tolerance and measurement uncertainties. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited, this document may be altered or revised by Guangdong Asia Hongke Test Technology Limited, personal only, and shall be noted in the revision of the document. Test Sample Number .............................. : AiTSZ-260129040-1 Date of Test Date (s) of performance of tests ............. : Jan. 29, 2026 Date of Issue .......................................... : Feb. 27, 2026 Test Result.............................................. : Pass Reviewed by: Approved by: Ken Zou Jack Li Page 3 of 61 Report No.: AiTSZ-260129040FW3 ※ ※ Revision History ※ ※ REV. DESCRIPTION ISSUED DATE REMARK Rev.1.0 Initial Test Report Release Feb. 27, 2026 Jack Li Page 4 of 61 Report No.: AiTSZ-260129040FW3 TABLE OF CONTENTS 1. General Information .......................................................................................... 6 1.1. RF exposure limits .................................................................................. 6 1.2. Statement of Compliance ....................................................................... 7 1.3. EUT Description ..................................................................................... 8 1.4. Test specification(s) ................................................................................ 9 1.5. Ambient Condition ................................................................................. 9 1.6. Test Facility ............................................................................................. 9 2. SAR Measurement System ............................................................................... 10 2.1. SATIMO SAR Measurement Set-up Diagram ......................................... 10 2.2. Robot ................................................................................................... 11 2.3. Probe ................................................................................................... 12 2.3.1. E-Field Probe Calibration ................................................................ 12 2.4. Phantoms ............................................................................................. 13 2.5. Technical Data ...................................................................................... 14 2.6. Device Holder ...................................................................................... 15 2.7. Test Equipment List .............................................................................. 16 3. SAR Measurement Procedures ........................................................................ 19 3.1. Power Reference.................................................................................. 19 3.2. Area scan & Zoom scan ........................................................................ 19 3.3. Description of interpolation/extrapolation scheme ............................. 21 3.4. Volumetric Scan ................................................................................... 21 3.5. Power Drift .......................................................................................... 21 4. System Verification Procedure ......................................................................... 22 4.1. Tissue Verification ................................................................................ 22 4.1.1. Tissue Dielectric Parameter Check Results ..................................... 23 4.2. System Verification Procedure ............................................................. 24 4.2.1. System Verification Results ............................................................ 25 5. SAR measurement variabilit ............................................................................. 26 6. SAR Measurement Uncertainty ........................................................................ 27 7. RF Exposure Positions ............................................…
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Page 1 of 32 Report No.: AiTSZ-260129040FW1 Note: This device has been tested and found to comply with the standard(s) listed, this test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. TEST REPORT Product Name : M5Paper Color Brand Name : Model : Paper Color Series Model : N/A FCC ID : 2AN3WM5PAPERCOLOR Applicant : M5Stack Technology Co., Ltd Address : Block A10, Expo Bay South Coast, Fuhai Street, Bao'an District, Shenzhen, China Manufacturer : M5Stack Technology Co., Ltd Address : Block A10, Expo Bay South Coast, Fuhai Street, Bao'an District, Shenzhen, China Standard(s) : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Receipt : Jan. 29, 2026 Date of Test : Jan. 29, 2026~ Feb. 04, 2026 Issued Date : Feb. 27, 2026 Issued By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Reviewed by: Approved by: Aalen.Ye Allen Wang Page 2 of 32 Report No.: AiTSZ-260129040FW1 Report Revise Record Report Version Issued Date Notes M0 Feb. 27, 2026 Initial Release Page 3 of 32 Report No.: AiTSZ-260129040FW1 Contents 1 TEST SUMMARY ....................................................................................................................................................... 4 1.1 TEST STANDARDS ......................................................................................................................................................... 4 1.2 TEST SUMMARY ........................................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2 GENERAL INFORMATION .......................................................................................................................................... 6 2.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 6 2.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 6 2.3 DESCRIPTION OF TEST MODES AND TEST FREQUENCY .......................................................................................................... 7 2.4 SPECIAL ACCESSORIES ................................................................................................................................................... 8 2.5 EQUIPMENT LIST FOR THE TEST ....................................................................................................................................... 8 3 TEST CONDITIONS AND RESULTS ............................................................................................................................ 10 3.1 CONDUCTED EMISSIONS TEST ....................................................................................................................................... 10 3.2 RADIATED EMISSIONS AND BAND EDGE .......................................................................................................................... 13 3.3 MAXIMUM PEAK CONDUCTED OUTPUT POWER ............................................................................................................... 20 3.4 POWER SPECTRAL DENSITY .......................................................................................................................................... 21 3.5 6DB BANDWIDTH ....................................................................................................................................................... 22 3.6 OUT-OF-BAND EMISSIONS ........................................................................................................................................... 23 3.7 ANTENNA REQUIREMENT ............................................................................................................................................. 25 4 TEST SETUP PHOTOGRAPHS OF EUT ....................................................................................................................... 26 5 PHOTOS OF EUT ..................................................................................................................................................... 27 Page 4 of 32 Report No.: AiTSZ-260129040FW1 1 TEST SUMMARY 1.1 Test Standards The tests were performed according to following standards: FCC Rules Part 15.247: Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz ANSI C63.10: 2020: American National Standard for Testing Unlicensed Wireless Devices KDB558074 D01 15.247 Meas Guidance v05r02: Guidance for Compliance Measurements on Digital Transmission System, Frequency Hopping Spreda Spectrum System, and Hybrid System Devices Operatin…
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Page 1 of 27 Report No.: AiTSZ-260129040FW2 Note: This device has been tested and found to comply with the standard(s) listed, this test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. This report shall not be reproduced except in full, without the written approval of Guangdong Asia Hongke Test Technology Limited. If there is a need to alter or revise this document, the right belongs to Guangdong Asia Hongke Test Technology Limited, and it should give a prior written notice of the revision document. This test report must not be used by the client to claim product endorsement. Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China. TEST REPORT Product Name : M5Paper Color Brand Name : Model : Paper Color Series Model : N/A FCC ID : 2AN3WM5PAPERCOLOR Applicant : M5Stack Technology Co., Ltd Address : Block A10, Expo Bay South Coast, Fuhai Street, Bao'an District, Shenzhen, China Manufacturer : M5Stack Technology Co., Ltd Address : Block A10, Expo Bay South Coast, Fuhai Street, Bao'an District, Shenzhen, China Standard(s) : FCC CFR Title 47 Part 15 Subpart C Section 15.247 Date of Receipt : Jan. 29, 2026 Date of Test : Jan. 29, 2026~ Feb. 04, 2026 Issued Date : Feb. 27, 2026 Issued By: Guangdong Asia Hongke Test Technology Limited B1/F, Building 11, Junfeng Industrial Park, Chongqing Road, Heping Community, Fuhai Street, Bao'an District, Shenzhen, Guangdong, China Tel.: +86 0755-230967639 Fax.: +86 0755-230967639 Reviewed by: Approved by: Aalen.Ye Allen Wang Page 2 of 27 Report No.: AiTSZ-260129040FW2 Report Revise Record Report Version Issued Date Notes M0 Feb. 27, 2026 Initial Release Page 3 of 27 Report No.: AiTSZ-260129040FW2 Contents 1 TEST SUMMARY ....................................................................................................................................................... 4 1.1 TEST STANDARDS ......................................................................................................................................................... 4 1.2 TEST SUMMARY ........................................................................................................................................................... 4 1.3 TEST FACILITY .............................................................................................................................................................. 5 1.4 MEASUREMENT UNCERTAINTY ........................................................................................................................................ 5 2 GENERAL INFORMATION .......................................................................................................................................... 6 2.1 ENVIRONMENTAL CONDITIONS ........................................................................................................................................ 6 2.2 GENERAL DESCRIPTION OF EUT ...................................................................................................................................... 6 2.3 DESCRIPTION OF TEST MODES AND TEST FREQUENCY .......................................................................................................... 7 2.4 SPECIAL ACCESSORIES ................................................................................................................................................... 8 2.5 EQUIPMENT LIST FOR THE TEST ....................................................................................................................................... 8 3 TEST CONDITIONS AND RESULTS ............................................................................................................................ 10 3.1 CONDUCTED EMISSIONS TEST ....................................................................................................................................... 10 3.2 RADIATED EMISSIONS AND BAND EDGE .......................................................................................................................... 13 3.3 MAXIMUM PEAK CONDUCTED OUTPUT POWER ............................................................................................................... 20 3.4 POWER SPECTRAL DENSITY .......................................................................................................................................... 21 3.5 6DB BANDWIDTH ....................................................................................................................................................... 22 3.6 OUT-OF-BAND EMISSIONS ........................................................................................................................................... 23 3.7 ANTENNA REQUIREMENT ............................................................................................................................................. 25 4 TEST SETUP PHOTOGRAPHS OF EUT ....................................................................................................................... 26 5 PHOTOS OF EUT ..................................................................................................................................................... 27 Page 4 of 27 Report No.: AiTSZ-260129040FW2 1 TEST SUMMARY 1.1 Test Standards The tests were performed according to following standards: FCC Rules Part 15.247: Frequency Hopping, Direct Spread Spectrum and Hybrid Systems that are in operation within the bands of 902-928 MHz, 2400-2483.5 MHz, and 5725-5850 MHz ANSI C63.10: 2020: American National Standard for Testing Unlicensed Wireless Devices KDB558074 D01 15.247 Meas Guidance v05r02: Guidance for Compliance Measurements on Digital Transmission System, Frequency Hopping Spreda Spectrum System, and Hybrid System Devices Operatin…
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Prepared by: Xu Ying Approved by: Xu Kai TA Technology (Shanghai) Co., Ltd. Building 3, No.145, Jintang Rd, Pudong Shanghai, P.R.China TEL: +86-021-50791141/2/3 FAX: +86-021-50791141/2/3-8000 OTA TEST REPORT TA Technology (Shanghai) Co., Ltd. tested the above equipment in accordance with the requirements in ANSI/IEEE Std 149-2021. The test results show that the equipment tested is capable of demonstrating compliance with the requirements as documented in this report. Applicant Espressif Systems (Shanghai) Co.,Ltd. Product H0920 WIFI PIFA Report No. Y2305A0512-T1 Issue Date May 18, 2023 OTA Test Report Report No: Y2305A0512-T1 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 2 of 12 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. TABLE OF CONTENTS 1. Test Laboratory .............................................................................................................................. 3 1.1. Notes of the Test Report ................................................................................................... 3 1.2. Test Facility ....................................................................................................................... 3 1.3. Testing Location ................................................................................................................ 3 1.4. Laboratory Environment .................................................................................................... 3 2. General Description of Equipment Under Test .............................................................................. 4 2.1. Applicant and Manufacturer Information ............................................................................ 4 2.2. General Information ........................................................................................................... 4 2.3. Test Date ........................................................................................................................... 4 2.4. Received Date ................................................................................................................... 4 2.5. Applied Standards ............................................................................................................. 5 3. Test Conditions .............................................................................................................................. 6 3.1. Test Configuration ............................................................................................................. 6 3.2. Test Measurement ............................................................................................................. 6 4. Test Results ................................................................................................................................... 7 4.1. Gain and Efficiency ............................................................................................................ 7 5. Equipment List ............................................................................................................................... 8 AN NE X A: 3-D Pattern Plots ...................................................................................................................... 9 2-D Pattern Plots ...................................................................................................................................... 10 ANNEX B: The EUT Appearance and Test Configuration........................................................................ 11 B.1 EUT Appearance ................................................................................................................... 11 B.2 Test Configuration ................................................................................................................. 12 OTA Test Report Report No: Y2305A0512-T1 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 3 of 12 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 1. Test Laboratory 1.1. Notes of the Test Report This report shall not be reproduced in full or partial, without the written approval of TA Technology (Shanghai) Co., Ltd. The results documented in this report apply only to the tested sample, under the conditions and modes of operation as described herein .Measurement Uncertainties were not taken into account and are published for informational purposes only. This report is written to support regulatory compliance of the applicable standards stated above. 1.2. Test Facility A2LA (Certificate Number: 3857.01) TA Technology (Shanghai) Co., Ltd. has been listed by American Association for Laboratory Accreditation to perform measurement. 1.3. Testing Location Company: TA Technology (Shanghai) Co., Ltd. Address: Building 3, No.145, Jintang Rd, Pudong Shanghai, P.R.China City: Shanghai Post code: 201201 Country: P. R. China Contact: Xu Kai Telephone: +86-021-50791141/2/3 Fax: +86-021-50791141/2/3-8000 Website: http://www.ta-shanghai.com E-mail: [email protected] 1.4. Laboratory Environment Temperature Min. =19°C,Max. = 25°C Relative humidity Min. =40%,Max. =72% Shield effect 0.7-6GHz > 100dB Ground resistance <0.5Ω OTA Test Report Report No: Y2305A0512-T1 TA Technology (Shanghai) Co., Ltd. TA-MB-04-008O P age 4 of 12 This report shall not be reproduced except in full, without the written approval of TA Technology (Shanghai) Co., Ltd. 2. General Description of Equipment Under Test 2.1. Applicant and…
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| # | Rule Parts | Frequency Range | Power Output |
|---|---|---|---|
| 1 | 15C | 2.40 GHz - 2.48 GHz | 500.00 µW |
| 2 | 15C | 2.41 GHz - 2.46 GHz | 4.10 mW |