FCC ID 2BFD7-ESP32C51U
2.4GHz &5GHz Wifi&BLE&Zigbee module
by Zhejiang Sunseeker Industrial Co., Ltd.
Grantee Code: 2BFD7 Product Code: ESP32C51U
Latest application date: 2026-06-23
FCC ID Device Details
| FCC ID | 2BFD7-ESP32C51U |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BFD7 |
| Product Code | ESP32C51U |
| Applicant Business | Zhejiang Sunseeker Industrial Co., Ltd. 🇨🇳 |
| Related Domains |  sunseekerpower.cn  sunseekertools.com |
| Equipment Class | 2.4GHz &5GHz Wifi&BLE&Zigbee module |
| Test Firm | Sporton International Inc. (Kunshan) |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Change in identification of presently authorized equipment. Original FCC ID: 2AC7Z-ESPC5WROOMU Grant Date: 05/21/2025 | 2026-06-23 |
| 5745-5825 MHz | Change in identification of presently authorized equipment. Original FCC ID: 2AC7Z-ESPC5WROOMU Grant Date: 05/21/2025 | 2026-06-23 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| 2BFD7-ESP32C51U_ExPho | External Photos | 2026-06-23 | PDF 982.3 KB |
| 2BFD7-ESP32C51U_Label | ID Label/Location Info | 2026-06-23 | PDF 19.1 KB |
| 2BFD7-ESP32C51U_Label Location | ID Label/Location Info | 2026-06-23 | PDF 60.1 KB |
| 2BFD7-ESP32C51U_cvrltr_Attestation Letter for US Agent | Attestation Statements | 2026-06-23 | PDF 76 KB |
| 2BFD7-ESP32C51U_cvrltr_Attestation_2.911d5(i)&(ii) | Attestation Statements | 2026-06-23 | PDF 76.8 KB |
| 2BFD7-ESP32C51U_FCC ID Application Letter_applicant | Cover Letter(s) | 2026-06-23 | PDF 119.4 KB |
| 2BFD7-ESP32C51U_cvrltr_Authorization Letter | Cover Letter(s) | 2026-06-23 | PDF 18.4 KB |
| 2BFD7-ESP32C51U_cvrltr_FCC Authorization Letter | Cover Letter(s) | 2026-06-23 | PDF 441.8 KB |
| 2BFD7-ESP32C51U_cvrltr_FCC POA | Cover Letter(s) | 2026-06-23 | PDF 105.5 KB |
Application Information
| Application ID | gcQcB1Nl66KxRFGYnKef1A== |
|---|---|
| Final Action Date | 2026-06-23 |
| Application Purpose | Change in identification of presently authorized equipment. Original FCC ID: 2AC7Z-ESPC5WROOMU Grant Date: 05/21/2025 |
| Applicant FRN | 0035109511 |
| Model | ESP32C51U |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | 2.4GHz &5GHz Wifi&BLE&Zigbee module |
| Responsible Party | Baoquan Zhang, baoquan.zhang@sunseekerpower.cn , 021-61678315 |
| Non-Technical Contact | Justin Novosel, Sunseeker US, Inc., justin.novosel@sunseekertools.com , (616) 308-5565 |
| Test Firm | Mark Qu, Sporton International Inc. (Kunshan), markqu@sporton-lab.com  , +86 0512-57900158 |
| TCB Email | QA65@sporton-usa.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 | Yes |
| 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 |
|---|---|---|
| gcQcB1Nl66KxRFGYnKef1A== | 2026-06-23 | Change in identification of presently authorized equipment. Original FCC ID: 2AC7Z-ESPC5WROOMU Grant Date: 05/21/2025 |
| NUcd+y9afQ1ZfWo299pBZA== | 2026-06-23 | Change in identification of presently authorized equipment. Original FCC ID: 2AC7Z-ESPC5WROOMU Grant Date: 05/21/2025 |
Equipment Authorization
Grants
TCB Grant - Application NUcd+y9afQ1ZfWo299pBZA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Sporton International (USA) Inc. 1175 Montague Expressway Milpitas, CA 95035 |
Date of Grant: 06/23/2026 Application Dated: 06/22/2026 |
| Zhejiang Sunseeker Industrial Co., Ltd. |
| Jinde Road 988, Jiangdong Industrial Park |
| Jinhua, Zhejiang |
| Jinhua, 321000 China |
| Attention: Baoquan Zhang , Electronics Engineer |
| 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: | 2BFD7-ESP32C51U |
| Name of Grantee: | Zhejiang Sunseeker Industrial Co., Ltd. |
| Equipment Class: | Unlicensed National Information Infrastructure TX |
| Notes: | 2.4GHz &5GHz Wifi&BLE&Zigbee module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15E | 5180.0 - 5240.0 | 0.07 | ||
| CC | 15E | 5260.0 - 5320.0 | 0.0719 | ||
| CC | 15E | 5500.0 - 5720.0 | 0.0638 | ||
| CC | 15E | 5745.0 - 5825.0 | 0.0634 |
| Single Modular Approval. Output power is conducted. This device supports 20MHz and 40MHz bandwidths modes. The module antenna(s) must be installed to meet the RF exposure compliance separation distance of 20 cm 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. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application gcQcB1Nl66KxRFGYnKef1A==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Sporton International (USA) Inc. 1175 Montague Expressway Milpitas, CA 95035 |
Date of Grant: 06/23/2026 Application Dated: 06/22/2026 |
| Zhejiang Sunseeker Industrial Co., Ltd. |
| Jinde Road 988, Jiangdong Industrial Park |
| Jinhua, Zhejiang |
| Jinhua, 321000 China |
| Attention: Baoquan Zhang , Electronics Engineer |
| 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: | 2BFD7-ESP32C51U |
| Name of Grantee: | Zhejiang Sunseeker Industrial Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | 2.4GHz &5GHz Wifi&BLE&Zigbee module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 2402.0 - 2480.0 | 0.0605 | ||
| CC | 15C | 2412.0 - 2462.0 | 0.3664 | ||
| CC | 15C | 2405.0 - 2480.0 | 0.1159 |
| Single Modular Approval. Output power is conducted. This device supports 20MHz and 40MHz bandwidths modes. The module antenna(s) must be installed to meet the RF exposure compliance separation distance of 20 cm 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. |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |