FCC ID 2AFZZ-MHCB12G-B
Bluetooth Module
by Xiaomi Communications Co., Ltd.
Grantee Code: 2AFZZ Product Code: MHCB12GB
Latest application date: 2025-12-05
FCC ID Device Details
| FCC ID | 2AFZZ-MHCB12G-B |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AFZZ |
| Product Code | MHCB12GB |
| Applicant Business | Xiaomi Communications Co., Ltd. 🇨🇳 |
| Related Domains |  xiaomi.com |
| Equipment Class | Bluetooth Module |
| Test Firm | Huarui 7layers High Technology (Suzhou) Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-12-05 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| UM | Users Manual | 2025-12-05 | PDF 284.6 KB |
| Internal Photos | Internal Photos | 2025-12-05 | PDF 517.3 KB |
| External Photos | External Photos | 2025-12-05 | PDF 421.5 KB |
| PSU-NQN2511070217SA01_MHCB12G-IB_FCC MPE Report Metadata only | External Photos | 2025-12-05 | PDF 324 KB |
| LABEL | ID Label/Location Info | 2025-12-05 | PDF 751.5 KB |
| Test Setup photos | Test Setup Photos | 2025-12-05 | PDF 372 KB |
| 1.MHCB12G-B Antenna specification | Test Report | 2025-12-05 | PDF 1.6 MB |
| 1.MHCB12G-IB-Antenna specification-20250923 Metadata only | Test Report | 2025-12-05 | PDF 735.3 KB |
| PSU-NQN2511070117RF01_MHCB12G-B_FCC15.247 LE Report | Test Report | 2025-12-05 | PDF 3.3 MB |
| PSU-NQN2511070217RF01_MHCB12G-IB_FCC15.247 LE Report Metadata only | Test Report | 2025-12-05 | PDF 3.1 MB |
| Attestation_COVERED_EQUIPMENT | Attestation Statements | 2025-12-05 | PDF 81.3 KB |
| Attestation_Letter_US_AGENT | Attestation Statements | 2025-12-05 | PDF 128 KB |
| Confidentiality | Cover Letter(s) | 2025-12-05 | PDF 117.8 KB |
| Modular_Approval_Letter | Cover Letter(s) | 2025-12-05 | PDF 216.2 KB |
| POA | Cover Letter(s) | 2025-12-05 | PDF 86.3 KB |
| PSU-NQN2511070117SA01_MHCB12G-B_FCC MPE Report | RF Exposure Info | 2025-12-05 | PDF 324 KB |
| Block Diagram Metadata only | Block Diagram | PDF 28.8 KB | |
| SCH Metadata only | Schematics | PDF 327.6 KB | |
| OP Metadata only | Operational Description | PDF 2 MB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 213.2 KB |
Application Information
| Application ID | /BC25LfBMfB7BlioiNpovw== |
|---|---|
| Final Action Date | 2025-12-05 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0024904948 |
| Model | MHCB12G-B |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Bluetooth Module |
| Responsible Party | qingyao zeng, mi-compliance@xiaomi.com , 010 6060 6666 |
| Test Firm | Yao Bin, Huarui 7layers High Technology (Suzhou) Co., Ltd., bin.yao@7layers.com  , +86 13910007241 |
| TCB Email | bentje.holger@phoenix-testlab.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| 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 |
|---|---|---|
| /BC25LfBMfB7BlioiNpovw== | 2025-12-05 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.01 | 15C |
Grants
TCB Grant - Application /BC25LfBMfB7BlioiNpovw==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
PHOENIX TESTLAB GmbH Koenigswinkel 10 32825 Blomberg, Germany |
Date of Grant: 12/05/2025 Application Dated: 12/04/2025 |
| Xiaomi Communications Co., Ltd. |
| #019, 9th Floor, Building 6, |
| 33 Xi'erqi Middle Road, Haidian District, |
| Beijing, 100085 China |
| Attention: qingyao zeng , Certification Manager |
| 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: | 2AFZZ-MHCB12G-B |
| Name of Grantee: | Xiaomi Communications Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Bluetooth Module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.01 |
| Single Modular Approval is filing. Output power is maximum peak conducted. 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, or end-users if marketed directly to end-users, 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. |