FCC ID ZHK-M31C
Base Station
by GN Audio USA Inc.
Grantee Code: ZHK Product Code: M31C
Latest application date: 2026-05-21
FCC ID Device Details
| FCC ID | ZHK-M31C |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | ZHK |
| Product Code | M31C |
| Applicant Business | GN Audio USA Inc. 🇺🇸 |
| Related Domains |  steelseries.com  jabra.com |
| Equipment Class | Base Station |
| Test Firm | Bureau Veritas CPS(H.K.) Ltd., Taoyuan Branch |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 7290.88 MHz | Original Equipment | 2026-05-21 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Users Manual_ rev | Users Manual | 2026-06-15 | PDF 4.7 MB |
| Internal Photos | Internal Photos | 2026-06-15 | PDF 1.6 MB |
| External Photos | External Photos | 2026-06-15 | PDF 1.3 MB |
| Label Sample & Label Location_ rev | ID Label/Location Info | 2026-05-21 | PDF 72.7 KB |
| Test Set Up Photos | Test Setup Photos | 2026-06-15 | PDF 348.6 KB |
| Antenna Test Report_ rev | Test Report | 2026-05-21 | PDF 1.3 MB |
| Test Report_ rev5 | Test Report | 2026-05-21 | PDF 864 KB |
| Attestation (Designated itself as U.S. local Agent Letter)_ rev | Attestation Statements | 2026-05-21 | PDF 191.1 KB |
| Attestation (Statements of part 2.911(d)(5)) | Attestation Statements | 2026-05-21 | PDF 21.1 KB |
| Attestation (U.S. local Agent Letter) | Attestation Statements | 2026-05-21 | PDF 21.2 KB |
| Confidentiality Request (Long term) | Cover Letter(s) | 2026-05-21 | PDF 21.3 KB |
| Confidentiality Request (Short term) Metadata only | Cover Letter(s) | 2026-05-21 | PDF 22.8 KB |
| Confidentiality Request (Short term)_ rev | Cover Letter(s) | 2026-05-21 | PDF 38.5 KB |
| Cover Letter (Agent Authorization) | Cover Letter(s) | 2026-05-21 | PDF 23.3 KB |
| RF Exposure Info (MPE)_ rev | RF Exposure Info | 2026-05-21 | PDF 213.8 KB |
| Block Diagram_ rev Metadata only | Block Diagram | PDF 74.4 KB | |
| Schematics Metadata only | Schematics | PDF 258.9 KB | |
| Operational Description Metadata only | Operational Description | PDF 133.5 KB |
Application Information
| Application ID | jisuebKbjMgE8JVbd7dW6Q== |
|---|---|
| Final Action Date | 2026-05-21 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0033478405 |
| Model | M31C |
| Frequency Range | 7290.88 MHz |
| Equipment Class | UWB - Ultra Wideband Transmitter |
| Device Description | Base Station |
| Responsible Party | Chirky Lin, Chirky.lin@steelseries.com , +886-2-8226-3858 |
| Non-Technical Contact | Steen Kaiser, GN Audio USA Inc., skaiser@jabra.com , (800) 826-4656 |
| Test Firm | Liu Ken, Bureau Veritas CPS(H.K.) Ltd., Taoyuan Branch, ken.liu@bureauveritas.com  , +886-3-2600609 |
| TCB Email | certification@nacsemc.com  |
| TCB Scope | A2: Low Power Transmitters (except Spread Spectrum) and radar detectors operating above 1 GHz |
| Short-Term Confidentiality | Yes |
| 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 | Yes |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| jisuebKbjMgE8JVbd7dW6Q== | 2026-05-21 | Original Equipment |
Equipment Authorization
| Frequency | Rules |
|---|---|
| 7290.88 MHz | 15F |
Grants
TCB Grant - Application jisuebKbjMgE8JVbd7dW6Q==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
North American EMC Certification Services Inc 24889 Ferguson Ave Maple Ridge, BC, Canada |
Date of Grant: 05/21/2026 Application Dated: 04/29/2026 |
| GN Audio USA Inc. |
| 900 Chelmsford Street, Tower II, 8th Floor, |
| Lowell, MA 01851 |
| Attention: Chirky Lin , Senior Regulatory 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: | ZHK-M31C |
| Name of Grantee: | GN Audio USA Inc. |
| Equipment Class: | Ultra Wideband Transmitter |
| Notes: | Base Station |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15F | 7290.88 - 7290.88 |
| UWB devices may not be employed for the operation of toys. Operation onboard an aircraft, a ship or a satellite is prohibited per §15.521(a). Antennas mounted on outdoor structures, such as antennas mounted on the outside of a building or on a telephone pole, or any fixed outdoors infrastructure are prohibited for use with this device per §15.519(a). 10 dB Bandwidth (GHz): 1.9510 |