FCC ID 2BBQK-HESTONSUB
TV SUBWOOFER
by Marshall Group AB
Grantee Code: 2BBQK Product Code: HESTONSUB
Latest application date: 2025-06-11
FCC ID Device Details
| FCC ID | 2BBQK-HESTONSUB |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BBQK |
| Product Code | HESTONSUB |
| Applicant Business | Marshall Group AB 🇸🇪 |
| Related Domains |  marshall.com |
| Equipment Class | TV SUBWOOFER |
| Test Firm | Hwa-Hsing (Dongguan) Testing Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-06-11 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-12-09 | PDF 1.6 MB |
| Internal Photos | Internal Photos | 2025-12-09 | PDF 2.3 MB |
| External Photos | External Photos | 2025-12-09 | PDF 888.2 KB |
| Label Location | ID Label/Location Info | 2025-06-11 | PDF 214.3 KB |
| Test Setup Photos | Test Setup Photos | 2025-12-09 | PDF 575.4 KB |
| Antenna Specification | Test Report | 2025-06-11 | PDF 1.2 MB |
| BLE Test Report | Test Report | 2025-06-11 | PDF 5.3 MB |
| Attestation Statements 2.911 d 5 | Attestation Statements | 2025-06-11 | PDF 127.1 KB |
| FCC SDOC Attestation Letter | Attestation Statements | 2025-06-11 | PDF 112.3 KB |
| US AGENT Letter | Attestation Statements | 2025-06-11 | PDF 151.9 KB |
| Authority Letter | Cover Letter(s) | 2025-06-11 | PDF 92.2 KB |
| Confidentiality Letter | Cover Letter(s) | 2025-06-11 | PDF 118.8 KB |
| RF Exposure | RF Exposure Info | 2025-06-11 | PDF 516.4 KB |
| Block Diagram Metadata only | Block Diagram | PDF 535.9 KB | |
| Module_Schematic Diagram Metadata only | Schematics | PDF 73.6 KB | |
| Schematic Diagram Metadata only | Schematics | PDF 1.5 MB | |
| Operation Description Metadata only | Operational Description | PDF 163.7 KB |
Application Information
| Application ID | S77gMAGMQwa48mOohQhOXA== |
|---|---|
| Final Action Date | 2025-06-11 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0033904103 |
| Model | HESTONSUB |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | TV SUBWOOFER |
| Responsible Party | Edison Xu, Assistant Compliance Manager, edison.xu@marshall.com , +8675582731312 |
| Test Firm | David Chen, Hwa-Hsing (Dongguan) Testing Co., Ltd., david.chen@hwa-hsing.com  , 0769-83078199 |
| TCB Email | TEI@timcoengr.com  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | Yes |
| Short-Term Confidentiality Date | 12/09/2025 |
| 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 | Power listed is conducted. This equipment must be installed and operated to provide a separation distance of at least 20cm between the radiator and any part of the human body. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| S77gMAGMQwa48mOohQhOXA== | 2025-06-11 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.002809 |
| 2404-2478 MHz | 0.002824 |
Grants
TCB Grant - Application S77gMAGMQwa48mOohQhOXA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
IIA Lab Services, LLC 13146 NW 86th Drive Suite 400 Alachua, FL 32615 |
Date of Grant: 06/11/2025 Application Dated: 06/11/2025 |
| Marshall Group AB |
| Centralplan 15 111 20 Stockholm Sweden |
| Stockholm, Sweden |
| Attention: Edison Xu , Assistant Compliance 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: | 2BBQK-HESTONSUB |
| Name of Grantee: | Marshall Group AB |
| Equipment Class: | Digital Transmission System |
| Notes: | TV SUBWOOFER |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.002809 | |||
| 15C | 2404.0 - 2478.0 | 0.002824 |
| Power listed is conducted. This equipment must be installed and operated to provide a separation distance of at least 20cm between the radiator and any part of the human body. |