FCC ID 2AJJGESP32S3
RF Module
by Qingdao Richmat Intelligence Technology Inc
Grantee Code: 2AJJG Product Code: ESP32S3
Latest application date: 2026-04-28
FCC ID Device Details
| FCC ID | 2AJJGESP32S3 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AJJG |
| Product Code | ESP32S3 |
| Applicant Business | Qingdao Richmat Intelligence Technology Inc 🇨🇳 |
| Related Domains |  richmat.com  fccusagent.com |
| Equipment Class | RF Module |
| Test Firm | WALTEK TESTING GROUP CO., LTD. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Class II permissive change or modification of presently authorized equipment | 2026-04-28 |
| 2412-2462 MHz | Class II permissive change or modification of presently authorized equipment | 2026-04-19 |
| 2412-2462 MHz | Original Equipment | 2026-03-04 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-04-28 | PDF 246.2 KB |
| Users Manual | Users Manual | 2026-04-19 | PDF 241.7 KB |
| User Manual | Users Manual | 2026-03-04 | PDF 884.3 KB |
| Internal Photos | Internal Photos | 2026-04-28 | PDF 2 MB |
| Internal Photos | Internal Photos | 2026-04-19 | PDF 783.5 KB |
| Internal Photos | Internal Photos | 2026-03-04 | PDF 1.4 MB |
| External Photos | External Photos | 2026-04-28 | PDF 1.3 MB |
| External Photos | External Photos | 2026-04-19 | PDF 634.5 KB |
| External Photos | External Photos | 2026-03-04 | PDF 1.1 MB |
| Label Location | ID Label/Location Info | 2026-04-28 | PDF 195.8 KB |
| ID Label/Location Info | ID Label/Location Info | 2026-04-19 | PDF 163 KB |
| Label Location | ID Label/Location Info | 2026-03-04 | PDF 241.8 KB |
| Test Setup Photos | Test Setup Photos | 2026-04-28 | PDF 1.2 MB |
| Test Setup Photos | Test Setup Photos | 2026-04-19 | PDF 330.8 KB |
| Test Setup Photos | Test Setup Photos | 2026-03-04 | PDF 1.5 MB |
| SAR Test Report | RF Exposure Info | 2026-04-28 | PDF 5.9 MB |
| Test Report_BLE | Test Report | 2026-04-28 | PDF 910.2 KB |
| Test Report_WIFI2.4G | Test Report | 2026-04-28 | PDF 1.1 MB |
| Test Report 2.4G WIFI Metadata only | Test Report | 2026-04-19 | PDF 410.2 KB |
| Test Report 2.4G WIFI rev | Test Report | 2026-04-19 | PDF 405 KB |
| Test Report BLE | Test Report | 2026-04-19 | PDF 416.3 KB |
| Antenna Specification | Test Report | 2026-03-04 | PDF 1.9 MB |
| Test Report_BLE | Test Report | 2026-03-04 | PDF 717 KB |
| Test Report_WIFI2.4G | Test Report | 2026-03-04 | PDF 3.3 MB |
| Attestation Statements part 2.911d 5 i and 5 ii | Attestation Statements | 2026-04-28 | PDF 86.4 KB |
| US AGENT Letter | Attestation Statements | 2026-04-28 | PDF 76.3 KB |
| Attestation Statements US Agent Letter | Attestation Statements | 2026-04-19 | PDF 76.3 KB |
| Attestation Statements part2.911 | Attestation Statements | 2026-04-19 | PDF 86.4 KB |
| Attestation Statements part 2.911 d 5 i and 2.911d 5 ii | Attestation Statements | 2026-03-04 | PDF 86.4 KB |
| US Agent Letter | Attestation Statements | 2026-03-04 | PDF 76.3 KB |
| Authority Letter | Cover Letter(s) | 2026-04-28 | PDF 11.7 KB |
| C2PC permissive change letter | Cover Letter(s) | 2026-04-28 | PDF 101.9 KB |
| Class II Permissive Change Application Letter | Cover Letter(s) | 2026-04-19 | PDF 89.3 KB |
| POA | Cover Letter(s) | 2026-04-19 | PDF 11.7 KB |
| Authority Letter | Cover Letter(s) | 2026-03-04 | PDF 11.7 KB |
| Confidentiality Letter | Cover Letter(s) | 2026-03-04 | PDF 12.8 KB |
| Modular Approval Letter | Cover Letter(s) | 2026-03-04 | PDF 20.4 KB |
| SAR Calibration Certificate | RF Exposure Info | 2026-04-19 | PDF 2.7 MB |
| SAR Report | RF Exposure Info | 2026-04-19 | PDF 1.9 MB |
| RF Exposure Evaluation | RF Exposure Info | 2026-03-04 | PDF 240.1 KB |
| Block Diagram Metadata only | Block Diagram | PDF 104.4 KB | |
| Schematics Metadata only | Schematics | PDF 367 KB | |
| Operation Description Metadata only | Operational Description | PDF 237.6 KB |
Application Information
| Application ID | Ch2MBc7hCptEIL86w5GpWA== |
|---|---|
| Final Action Date | 2026-04-28 |
| Application Purpose | Class II permissive change or modification of presently authorized equipment |
| Applicant FRN | 0025672221 |
| Model | ESP32S3 |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | RF Module |
| Responsible Party | Chongjie Yuan, ycj@richmat.com , +86 532 80635999 |
| Non-Technical Contact | Tim Payne, FCC US Agent, LLC, Support@FCCUSAgent.com , 708-571-3148 |
| Test Firm | Joy Zhou, WALTEK TESTING GROUP CO., LTD., szqa@waltek.com.cn  , 0769-22676998 |
| TCB Email | TEI@TIMCOENGR.COM  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | No |
| Modular Equipment | Single Modular Approval |
| Composite Device | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| Ch2MBc7hCptEIL86w5GpWA== | 2026-04-28 | Class II permissive change or modification of presently authorized equipment |
| RKKopxJpyFuEvwqs+pZVCg== | 2026-04-19 | Class II permissive change or modification of presently authorized equipment |
| xQ3LSb0pHxfidHHkzDdbNw== | 2026-03-04 | Original Equipment |
Grants
TCB Grant - Application xQ3LSb0pHxfidHHkzDdbNw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 03/04/2026 Application Dated: 03/04/2026 |
| Qingdao Richmat Intelligence Technology Inc |
| NO.78 Kongquehe 4th Road, |
| Qingdao Clothing Industry park, |
| Jimo, Qingdao, Shandong Province, China |
| Attention: Chongjie Yuan , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2AJJGESP32S3 |
| Name of Grantee: | Qingdao Richmat Intelligence Technology Inc |
| Equipment Class: | Digital Transmission System |
| Notes: | RF Module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0083 | |||
| 15C | 2412.0 - 2462.0 | 0.0461 |
| Output power listed is conducted. Single Modular Approval for mobile RF Exposure conditions. The module antenna(s) must be installed to meet the RF exposure compliance separation distance of 20 cm from all persons and any additional testing and authorization process as required. Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi-transmitter procedures. Approved for OEM integration only. The grantee must provide OEM integrators with installation and operating instructions for satisfying FCC multi-transmitter product guidelines. This grant is valid only when the device is sold to OEM integrators and the OEM integrators are instructed to ensure that the end-user has no manual instructions to remove or install the device. This device supports 20 and 40 MHz modes. |
TCB Grant - Application RKKopxJpyFuEvwqs+pZVCg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 04/19/2026 Application Dated: 04/20/2026 |
| Qingdao Richmat Intelligence Technology Inc |
| NO.78 Kongquehe 4th Road, |
| Qingdao Clothing Industry park, |
| Jimo, Qingdao, Shandong Province, China |
| Attention: Chongjie Yuan , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2AJJGESP32S3 |
| Name of Grantee: | Qingdao Richmat Intelligence Technology Inc |
| Equipment Class: | Digital Transmission System |
| Notes: | RF Module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0083 | |||
| 15C | 2412.0 - 2462.0 | 0.0461 |
| Output power listed is conducted. Single Modular Approval for mobile RF Exposure conditions. The module antenna(s) must be installed to meet the RF exposure compliance separation distance of 20 cm from all persons and any additional testing and authorization process as required. Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi-transmitter procedures. Approved for OEM integration only. The grantee must provide OEM integrators with installation and operating instructions for satisfying FCC multi-transmitter product guidelines. This grant is valid only when the device is sold to OEM integrators and the OEM integrators are instructed to ensure that the end-user has no manual instructions to remove or install the device. This device supports 20 and 40 MHz modes. Class II Permissive Change: Authorizes portable use when integrated into the Handset. Model: HJSR65. The highest reported SAR values for body is 0.239 W/kg. End-users must be informed of the body-support operating requirements for satisfying RF exposure compliance. |
TCB Grant - Application Ch2MBc7hCptEIL86w5GpWA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 04/28/2026 Application Dated: 04/28/2026 |
| Qingdao Richmat Intelligence Technology Inc |
| NO.78 Kongquehe 4th Road, |
| Qingdao Clothing Industry park, |
| Jimo, Qingdao, Shandong Province, China |
| Attention: Chongjie Yuan , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2AJJGESP32S3 |
| Name of Grantee: | Qingdao Richmat Intelligence Technology Inc |
| Equipment Class: | Digital Transmission System |
| Notes: | RF Module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0083 | |||
| 15C | 2412.0 - 2462.0 | 0.0461 |
| Output power listed is conducted. Single Modular Approval for mobile RF Exposure conditions. The module antenna(s) must be installed to meet the RF exposure compliance separation distance of 20 cm from all persons and any additional testing and authorization process as required. Co-location of this module with other transmitters that operate simultaneously are required to be evaluated using the FCC multi-transmitter procedures. Approved for OEM integration only. The grantee must provide OEM integrators with installation and operating instructions for satisfying FCC multi-transmitter product guidelines. This grant is valid only when the device is sold to OEM integrators and the OEM integrators are instructed to ensure that the end-user has no manual instructions to remove or install the device. This device supports 20 and 40 MHz modes. Class II Permissive Change: Authorizes portable use when integrated into the Richmat Remote Control Handset. Model: HJSR65B. The highest reported SAR is 0.19 W/kg. |