FCC ID 2AFZZ-MHCWB9B-B
2.4GHz WIFI+Bluetooth dual-mode module
by Xiaomi Communications Co., Ltd.
Grantee Code: 2AFZZ Product Code: MHCWB9BB
Latest application date: 2025-02-20
FCC ID Device Details
| FCC ID | 2AFZZ-MHCWB9B-B |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2AFZZ |
| Product Code | MHCWB9BB |
| Applicant Business | Xiaomi Communications Co., Ltd. 🇨🇳 |
| Related Domains |  xiaomi.com |
| Equipment Class | 2.4GHz WIFI+Bluetooth dual-mode module |
| Test Firm | BV 7Layers Communications Technology (Shenzhen) Co |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2412-2462 MHz | Original Equipment | 2025-02-20 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User_Manual | Users Manual | 2025-02-20 | PDF 295.7 KB |
| Internal_Photo | Internal Photos | 2025-02-20 | PDF 591.2 KB |
| External_Photo | External Photos | 2025-02-20 | PDF 339.4 KB |
| Label | ID Label/Location Info | 2025-02-20 | PDF 87.6 KB |
| Test_Setuo_Photo | Test Setup Photos | 2025-02-20 | PDF 413 KB |
| Antenna_report | Test Report | 2025-02-20 | PDF 1.1 MB |
| PSU-NQN2412260110RF01_WIFI_BLE_1 | Test Report | 2025-02-20 | PDF 5.4 MB |
| PSU-NQN2412260110RF01_WIFI_BLE_2 | Test Report | 2025-02-20 | PDF 3.9 MB |
| Attestation_Statements_Part2.911(d)(5) | Attestation Statements | 2025-02-20 | PDF 69.2 KB |
| Attestation_Statements_Part2.911(d)(7) | Attestation Statements | 2025-02-20 | PDF 406.1 KB |
| Confidentiality_Request_Letter | Cover Letter(s) | 2025-02-20 | PDF 81.1 KB |
| Declaration_Channel_Limitation | Cover Letter(s) | 2025-02-20 | PDF 87.2 KB |
| Modular_Approval_Request | Cover Letter(s) | 2025-02-20 | PDF 202.7 KB |
| POA | Cover Letter(s) | 2025-02-20 | PDF 146.2 KB |
| PSU-NQN2412260110SA01_MPE | RF Exposure Info | 2025-02-20 | PDF 421.9 KB |
| Block_Diagram Metadata only | Block Diagram | PDF 58.1 KB | |
| SCH Metadata only | Schematics | PDF 230.6 KB | |
| Operational_Description Metadata only | Operational Description | PDF 704.7 KB | |
| BOM Metadata only | Parts List/Tune Up Info | PDF 63.4 KB |
Application Information
| Application ID | UGc1BHJ/GvrjMiR/9K1ZPw== |
|---|---|
| Final Action Date | 2025-02-20 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0024904948 |
| Model | MHCWB9B-B |
| Frequency Range | 2412-2462 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | 2.4GHz WIFI+Bluetooth dual-mode module |
| Responsible Party | qingyao zeng, mi-compliance@xiaomi.com , 010 6060 6666 |
| Test Firm | Edwin Ye, BV 7Layers Communications Technology (Shenzhen) Co, edwin.ye@bureauveritas.com  , 86-20-8714 8549 |
| 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 |
| Grant Deferral | No |
| Modular Equipment | Single Modular Approval |
| Composite Device | No |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Output power is maximum peak conducted.This device supports WIFI 802.11 b/g/n/ax 20 and 40 MHz channel bandwidth.Modular Approval for mobile RF Exposure conditions, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. Approval is limited to OEM installation only. OEM integrators must be provided with antenna installation instructions. OEM integrators and end-users must be provided with transmitter operating conditions for satisfying RF exposure compliance. 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. Only the antenna(s) listed in this filing can be used with this device. Use of additional antenna(s) are subject to the requirements of 15.204(c)(4). The host integrator installing this module into their product must ensure that the final composite product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation and should refer to guidance in KDB 996369. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| UGc1BHJ/GvrjMiR/9K1ZPw== | 2025-02-20 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.018 |
| 2412-2462 MHz | 0.214 |
Grants
TCB Grant - Application UGc1BHJ/GvrjMiR/9K1ZPw==
| 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: 02/20/2025 Application Dated: 02/20/2025 |
| 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-MHCWB9B-B |
| Name of Grantee: | Xiaomi Communications Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | 2.4GHz WIFI+Bluetooth dual-mode module |
| Modular Type: | Single Modular |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.018 | |||
| 15C | 2412.0 - 2462.0 | 0.214 |
| Output power is maximum peak conducted. This device supports WIFI 802.11 b/g/n/ax 20 and 40 MHz channel bandwidth. Modular Approval for mobile RF Exposure conditions, the antenna(s) used for this transmitter must be installed to provide a separation distance of at least 20cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter. Approval is limited to OEM installation only. OEM integrators must be provided with antenna installation instructions. OEM integrators and end-users must be provided with transmitter operating conditions for satisfying RF exposure compliance. 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. Only the antenna(s) listed in this filing can be used with this device. Use of additional antenna(s) are subject to the requirements of 15.204(c)(4). The host integrator installing this module into their product must ensure that the final composite product complies with the FCC requirements by a technical assessment or evaluation to the FCC rules, including the transmitter operation and should refer to guidance in KDB 996369. |