FCC ID 2BRD9-M144
TWS Wireless earphone
by YUEHANG INDUSTRIAL LIMITED
Grantee Code: 2BRD9 Product Code: M144
Latest application date: 2025-12-01
FCC ID Device Details
| FCC ID | 2BRD9-M144 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BRD9 |
| Product Code | M144 |
| Applicant Business | YUEHANG INDUSTRIAL LIMITED 🇨🇳 |
| Equipment Class | TWS Wireless earphone |
| Test Firm | Shenzhen HTT Technology Co.,Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-12-01 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-12-01 | PDF 534.2 KB |
| appendix II EUT Internal photo | Internal Photos | 2025-12-01 | PDF 789 KB |
| appendix II EUT External photo | External Photos | 2025-12-01 | PDF 2.7 MB |
| Label and Location | ID Label/Location Info | 2025-12-01 | PDF 229.6 KB |
| appendix I EUT Test Setup photo | Test Setup Photos | 2025-12-01 | PDF 505.3 KB |
| Antenna specification | Test Report | 2025-12-01 | PDF 719 KB |
| Appendix RF Test Data for BT | Test Report | 2025-12-01 | PDF 4.6 MB |
| HTT202511277F01_Test Report-BT FCC | Test Report | 2025-12-01 | PDF 925 KB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2025-12-01 | PDF 127.6 KB |
| USA-LocalRepLetter_V1.1 - 2BRD9-M144 | Attestation Statements | 2025-12-01 | PDF 359.8 KB |
| FCC Declaration Letter TWS Left&Right | Cover Letter(s) | 2025-12-01 | PDF 360.4 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2025-12-01 | PDF 104.7 KB |
| HTT202511277F02_RF Exposure-info | RF Exposure Info | 2025-12-01 | PDF 450.7 KB |
| Block Diagram Metadata only | Block Diagram | PDF 16.4 KB | |
| schematic Metadata only | Schematics | PDF 98.2 KB | |
| Operation Description Metadata only | Operational Description | PDF 125 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 149.5 KB |
Application Information
| Application ID | Ru7h9morVDt8pRTu1xZSxQ== |
|---|---|
| Final Action Date | 2025-12-01 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037355435 |
| Model | M144 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | TWS Wireless earphone |
| Responsible Party | Jianying Li, 743368683@qq.com |
| Test Firm | Kevin Yang, Shenzhen HTT Technology Co.,Ltd., info@httprc.com |
| TCB Email | o.kneip@kl-certification.de |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| 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 |
|---|---|---|
| Ru7h9morVDt8pRTu1xZSxQ== | 2025-12-01 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.001 | 15C |
Grants
TCB Grant - Application Ru7h9morVDt8pRTu1xZSxQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 12/01/2025 Application Dated: 12/01/2025 |
| YUEHANG INDUSTRIAL LIMITED |
| RM 1904A19/F.LUCKY COMMERCIAL CENTRENO.103 |
| DESVOEUX ROAD WEST, SHEUNG WAN Central and |
| Western District, Hong Kong Island, Hong Kong, China |
| Attention: Jianying Li , |
| 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: | 2BRD9-M144 |
| Name of Grantee: | YUEHANG INDUSTRIAL LIMITED |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | TWS Wireless earphone |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.001 |
| Output Power listed is peak conducted. |