FCC ID 2AC7Z-ESPC3MINII
Wi-Fi & Bluetooth Internet of Things Module
by ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD
Grantee Code: 2AC7Z Product Code: ESPC3MINII
Latest application date: 2026-06-11
FCC ID Device Details
| FCC ID | 2AC7Z-ESPC3MINII |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AC7Z |
| Product Code | ESPC3MINII |
| Applicant Business | ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD 🇨🇳 |
| Related Domains |  espressif.com  fccusagent.com |
| Equipment Class | Wi-Fi & Bluetooth Internet of Things Module |
| Test Firm | Eurofins TA Technology (Shanghai) Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Class II permissive change or modification of presently authorized equipment | 2026-06-11 |
| 2402-2480 MHz | Class II permissive change or modification of presently authorized equipment | 2025-05-16 |
| 2402-2480 MHz | Original Equipment | 2022-05-06 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual | Users Manual | 2026-06-11 | PDF 1.3 MB |
| User manual | Users Manual | 2022-05-06 | PDF 3.3 MB |
| Internal Photos | Internal Photos | 2026-06-11 | PDF 897.7 KB |
| Internal photos | Internal Photos | 2022-05-06 | PDF 382.5 KB |
| External Photos | RF Exposure Info | 2026-06-11 | PDF 1.6 MB |
| External photos | External Photos | 2022-05-06 | PDF 382.5 KB |
| External Photos | External Photos | PDF 321.6 KB | |
| ID Label/Location Info | ID Label/Location Info | 2026-06-11 | PDF 89.8 KB |
| ID label and location | ID Label/Location Info | 2022-05-06 | PDF 89.8 KB |
| Test Setup Photos 1 | Test Setup Photos | 2026-06-11 | PDF 323.5 KB |
| Test Setup Photos 2 | Test Setup Photos | 2026-06-11 | PDF 760 KB |
| Test setup photos | Test Setup Photos | 2022-05-06 | PDF 482 KB |
| Test Setup Photos_SAR | Test Setup Photos | PDF 246.4 KB | |
| ANT Test Report | Test Report | 2026-06-11 | PDF 1.5 MB |
| Test Report 1 | Test Report | 2026-06-11 | PDF 2.6 MB |
| Test Report 2 | Test Report | 2026-06-11 | PDF 2.2 MB |
| Test reports | Test Report | 2022-05-06 | PDF 5.7 MB |
| Antenna Report | Test Report | PDF 807 KB | |
| Test Report_SAR | RF Exposure Info | PDF 3.7 MB | |
| Attestation Statements | Attestation Statements | 2026-06-11 | PDF 53.3 KB |
| US agent | Attestation Statements | 2026-06-11 | PDF 134.9 KB |
| POA | Attestation Statements | 2022-05-06 | PDF 78.8 KB |
| Attestation Letter COVERED EQUIPMENT | Attestation Statements | PDF 80.3 KB | |
| Attestation Letter COVERED EQUIPMENT_revised | Attestation Statements | PDF 246.6 KB | |
| US Agent | Attestation Statements | PDF 270.7 KB | |
| Agent Authorization | Cover Letter(s) | 2026-06-11 | PDF 436.8 KB |
| Declaration of crystal marking | Cover Letter(s) | 2026-06-11 | PDF 321.7 KB |
| Modular Approval Letter | Cover Letter(s) | 2026-06-11 | PDF 442.1 KB |
| change letter Declaration of antenna and crystal difference | Cover Letter(s) | 2026-06-11 | PDF 387.6 KB |
| Confidentiality | Cover Letter(s) | 2022-05-06 | PDF 131.8 KB |
| Letter Authorization | Cover Letter(s) | 2022-05-06 | PDF 143.8 KB |
| Modular_Transmitter_Approval | Cover Letter(s) | 2022-05-06 | PDF 153.8 KB |
| C2PC_letter | Cover Letter(s) | PDF 95.1 KB | |
| Dismissal request letter | Cover Letter(s) | PDF 65.1 KB | |
| POA | Cover Letter(s) | PDF 60.7 KB | |
| POA_revised | Cover Letter(s) | PDF 63.2 KB | |
| RF Exposure Info | RF Exposure Info | 2026-06-11 | PDF 596.2 KB |
| RF Exposure | RF Exposure Info | 2022-05-06 | PDF 230.7 KB |
| Block Diagram Metadata only | Block Diagram | PDF 268.9 KB | |
| Schematics Metadata only | Schematics | PDF 271.8 KB | |
| Operational Description Metadata only | Operational Description | PDF 1.1 MB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 86.8 KB |
Application Information
| Application ID | pdlWj++qVVuAWrzSydgPng== |
|---|---|
| Final Action Date | 2026-06-11 |
| Application Purpose | Class II permissive change or modification of presently authorized equipment |
| Applicant FRN | 0023938848 |
| Model | ESPC3MINII |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Wi-Fi & Bluetooth Internet of Things Module |
| Responsible Party | Mia Zhou, zhoumiaomiao@espressif.com , (8621)61065209 |
| Non-Technical Contact | Tim Payne, FCC US Agent, LLC, Support@FCCUSAgent.com , 708-571-3148 |
| Test Firm | Michelle Qu, Eurofins TA Technology (Shanghai) Co., Ltd., Michelle.Qu@cpt.eurofinscn.com  , 86-21-50791141 |
| TCB Email | tcb@metlabs.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 |
|---|---|---|
| pdlWj++qVVuAWrzSydgPng== | 2026-06-11 | Class II permissive change or modification of presently authorized equipment |
| rAPwSo01qAiwgbal0TZiAw== | 2025-05-16 | Class II permissive change or modification of presently authorized equipment |
| 5IrkIV1SK7rjVGQ3NcE9hg== | 2022-05-06 | Original Equipment |
Equipment Authorization
Grants
TCB Grant - Application rAPwSo01qAiwgbal0TZiAw==
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Federal Communications Commission 45 L Street NE Washington, DC 20554 More FCC Contact Information... |
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TCB Grant - Application pdlWj++qVVuAWrzSydgPng==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230-3432 |
Date of Grant: 06/11/2026 Application Dated: 06/11/2026 |
| ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD |
| Suite 204, Block 2, 690 Bibo Road, |
| Zhang Jiang Hi-Tech Park, |
| Shanghai, 201203 China |
| Attention: Mia Zhou , |
| 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: | 2AC7Z-ESPC3MINII |
| Name of Grantee: | ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD |
| Equipment Class: | Digital Transmission System |
| Notes: | Wi-Fi & Bluetooth Internet of Things Module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.005 | |||
| 15C | 2412.0 - 2462.0 | 0.0632 |
| Class II Permissive Change application as described in this filing. Single Modular Approval. Output Power listed is conducted. This device has 1 MHz, 2 MHz, 20 MHz and 40 MHz bandwidth modes. End users must be provided with transmitter operating conditions for satisfying RF exposure compliance. The antenna(s) used for this transmitter as show in the filing must be installed to provide a separation distance of at least 20 cm from all persons and must not transmit simultaneously with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. Grantee must provide operating instructions for complying with FCC multi-transmitter product procedures. The Grantee is responsible for providing the documentation required for modular use. The responsibility for the use of this module, in all configurations utilized or contemplated, remains with the Grantee. |
TCB Grant - Application 5IrkIV1SK7rjVGQ3NcE9hg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
LGAI Technological Center S.A. (APPLUS) Ronda de la Font del Carme, s/n <BR>P.O. Box 08193, Barcelona, Spain |
Date of Grant: 05/06/2022 Application Dated: 05/06/2022 |
| ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD |
| Suite 204, Block 2, 690 Bibo Road, |
| Zhang Jiang Hi-Tech Park, |
| Shanghai, 201203 China |
| Attention: Mia Zhou |
| 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: | 2AC7Z-ESPC3MINII |
| Name of Grantee: | ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD |
| Equipment Class: | Digital Transmission System |
| Notes: | Wi-Fi &BluetoothInternet ofThings Module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.005 | |||
| 15C | 2412.0 - 2462.0 | 0.0632 |
| Single Modular Approval. Output power listed isconducted. Grantee is responsible for providingspecific testing instructions to host manufacturersfor additional testing to verify compliance as acomposite system. This includes retesting oftransmitter module per part 15.31(h) and (k) andverification of compliance with FCC RF Exposurerequirements. Separate approval is required for allother operating configurations, including portableconfigurations with respect to 2.1093. Theantenna(s) used for this transmitter must beinstalled to provide a separation distance of atleast 20 cm from all persons. OEM integrators andend-users must be provided with transmitteroperation conditions for satisfying RF exposurecompliance. The device contains 20MHz and 40MHzbandwidth. |
EAS Grant - Application 5IrkIV1SK7rjVGQ3NcE9hg==
| COPY |
FEDERAL COMMUNICATIONS COMMISSION WASHINGTON, D.C. 20554 GRANT OF EQUIPMENT AUTHORIZATION |
COPY |
| Certification |
|
ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD Suite 204, Block 2, 690 Bibo Road, Zhang Jiang Hi-Tech Park, Shanghai, 201203 China |
Date of Grant: 05/06/2022 Application Dated: 05/06/2022 |
| Attention: Mia Zhou |
| 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: | 2AC7Z-ESPC3MINII |
| Name of Grantee: | ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD |
| Equipment Class: | Digital Transmission System |
| Notes: | Wi-Fi &BluetoothInternet ofThings Module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.005 | |||
| 15C | 2412.0 - 2462.0 | 0.0632 |
| Single Modular Approval. Output power listed isconducted. Grantee is responsible for providingspecific testing instructions to host manufacturersfor additional testing to verify compliance as acomposite system. This includes retesting oftransmitter module per part 15.31(h) and (k) andverification of compliance with FCC RF Exposurerequirements. Separate approval is required for allother operating configurations, including portableconfigurations with respect to 2.1093. Theantenna(s) used for this transmitter must beinstalled to provide a separation distance of atleast 20 cm from all persons. OEM integrators andend-users must be provided with transmitteroperation conditions for satisfying RF exposurecompliance. The device contains 20MHz and 40MHzbandwidth. |
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