FCC ID 2BRRH-TK250810
Audio Repeater System
by Jian Shi DeMao Trading Company Limited
Grantee Code: 2BRRH Product Code: TK250810
Latest application date: 2025-09-02
FCC ID Device Details
| FCC ID | 2BRRH-TK250810 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BRRH |
| Product Code | TK250810 |
| Applicant Business | Jian Shi DeMao Trading Company Limited 🇨🇳 |
| Equipment Class | Audio Repeater System |
| Test Firm | Shenzhen ETR Standard Technology Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-09-02 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| user manua | Users Manual | 2026-02-28 | PDF 1,014.3 KB |
| Internal Photos | Internal Photos | 2026-02-28 | PDF 705.7 KB |
| Extemal photos | External Photos | 2026-02-28 | PDF 1,007.4 KB |
| LABEL AND LOCATION | ID Label/Location Info | 2025-09-02 | PDF 958.1 KB |
| Test Setup photos | Test Setup Photos | 2026-02-28 | PDF 258.8 KB |
| Antenna_Specification | Test Report | 2025-09-02 | PDF 2.5 MB |
| Test Report BT | Test Report | 2025-09-02 | PDF 4.2 MB |
| 2.911_(d)(5)(i) (ii)Certification Equipment Type v1.2 | Attestation Statements | 2025-09-02 | PDF 114.9 KB |
| Attestation_Statements_Kaspersky_Rev 1.0 | Attestation Statements | 2025-09-02 | PDF 230.7 KB |
| US Agent letter | Attestation Statements | 2025-09-02 | PDF 215.4 KB |
| FCC-Confidentiality-Request_Rev1.1 | Cover Letter(s) | 2025-09-02 | PDF 188.8 KB |
| FCC-POA_Rev1.0 | Cover Letter(s) | 2025-09-02 | PDF 73.9 KB |
| models declaration letter. | Cover Letter(s) | 2025-09-02 | PDF 230.8 KB |
| MPE | RF Exposure Info | 2025-09-02 | PDF 141.5 KB |
| BLOCK diagram Metadata only | Block Diagram | PDF 466.8 KB | |
| SCH Metadata only | Schematics | PDF 621.4 KB | |
| OP Metadata only | Operational Description | PDF 354.1 KB |
Application Information
| Application ID | CrRcIu2buHj5c/BN9BvgZg== |
|---|---|
| Final Action Date | 2025-09-02 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037412293 |
| Model | TK250810 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DSS - Part 15 Spread Spectrum Transmitter |
| Device Description | Audio Repeater System |
| Responsible Party | Tianmei He, 18988769821@139.com  , 18988769821 |
| Test Firm | Smith Chen, Shenzhen ETR Standard Technology Co., Ltd., etr802@etrtest.com  , +86 755-85259392 |
| TCB Email | joe_chew@derycom-us.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 02/28/2026 |
| Long-Term Confidentiality | Yes |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| 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 listed is conducted power. The antenna used with this transmitter must be installed to provide a minimum separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. End-users must be provided with operating procedures for satisfying RF exposure compliance. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| CrRcIu2buHj5c/BN9BvgZg== | 2025-09-02 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.0040000 |
Grants
TCB Grant - Application CrRcIu2buHj5c/BN9BvgZg==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
DERYCOM CERTIFICATION SERVICES, INC. 1100 Falcon Avenue Glencoe, MN 55336 |
Date of Grant: 09/02/2025 Application Dated: 09/02/2025 |
| Jian Shi DeMao Trading Company Limited |
| Miaoping Village, Group 9, |
| No. 26, Yezhou Town, |
| Jianshi County, 445300 Hubei Province, China |
| Attention: Tianmei He , |
| 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: | 2BRRH-TK250810 |
| Name of Grantee: | Jian Shi DeMao Trading Company Limited |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Audio Repeater System |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.004 |
| Output power listed is conducted power. The antenna used with this transmitter must be installed to provide a minimum separation distance of at least 20 cm from all persons and must not be co-located or operating in conjunction with any other antenna or transmitter, except in accordance with FCC multi- transmitter product procedures. End-users must be provided with operating procedures for satisfying RF exposure compliance. |