FCC ID Y9ZMT14H419
Hearing protection with two-way radio headset
by 3M Company
Grantee Code: Y9Z Product Code: MT14H419
Latest application date: 2026-04-16
FCC ID Device Details
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 915.5 MHz | Original Equipment | 2026-04-16 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| Label and Location | ID Label/Location Info | 2026-04-16 | PDF 194.5 KB |
| Antenna Specification | Test Report | 2026-04-16 | PDF 336.6 KB |
| Test Report | Test Report | 2026-04-16 | PDF 813.5 KB |
| Test Report | Test Report | 2026-04-16 | PDF 518.5 KB |
| Covered Equipment Attestation | Attestation Statements | 2026-04-16 | PDF 104 KB |
| U.S. Agent Designation Attestation | Attestation Statements | 2026-04-16 | PDF 147.6 KB |
| Confidentiality Letter | Cover Letter(s) | 2026-04-16 | PDF 217.8 KB |
| RF Exposure Evaluation | RF Exposure Info | 2026-04-16 | PDF 418.9 KB |
| User Manual Statement Metadata only | Users Manual | 2026-10-11 | PDF 205.7 KB |
| Users Manual Part 1 Metadata only | Users Manual | 2026-10-11 | PDF 5.9 MB |
| Users Manual Part 2 Metadata only | Users Manual | 2026-10-11 | PDF 5.5 MB |
| Users Manual Statement Metadata only | Users Manual | 2026-10-11 | PDF 205.7 KB |
| Internal Photos Metadata only | Internal Photos | 2026-10-11 | PDF 1,010.2 KB |
| External Photos Metadata only | External Photos | 2026-10-11 | PDF 1.7 MB |
| Test Setup Photos Metadata only | Test Setup Photos | 2026-10-11 | PDF 166 KB |
| Test Setup Photos Metadata only | Test Setup Photos | 2026-10-11 | PDF 360.6 KB |
| Block Diagram Metadata only | Block Diagram | PDF 65.7 KB | |
| Schematics Metadata only | Schematics | PDF 535.4 KB | |
| Operational Description Metadata only | Operational Description | PDF 564.2 KB | |
| Parts List Metadata only | Parts List/Tune Up Info | PDF 649.1 KB |
Application Information
| Application ID | gC5Q+kUimPwnM536GCT6yQ== |
|---|---|
| Final Action Date | 2026-04-16 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0005881040 |
| Model | MT14H419 |
| Equipment Class | JAB - Part 15 Class B Digital Device |
| Device Description | Hearing protection with two-way radio headset |
| Responsible Party | Yuriy Litvinov, ylitvinov@mmm.com |
| Technical Contact | Robert Carlsson, 3M Svenska AB, rcarlsson3@mmm.com |
| Non-Technical Contact | Yuriy Litvinov, 3M Company, ylitvinov@mmm.com |
| Test Firm | Frode Sveinsen, Nemko Scandinavia AS, frode.sveinsen@nemko.com |
| TCB Email | TCB@nemko.com |
| TCB Scope | A1: Low Power Transmitters below 1 GHz (except Spread Spectrum), Unintentional Radiators, EAS (Part 11) & Consumer ISM devices |
| Short-Term Confidentiality | Yes |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| 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 |
|---|---|---|
| gC5Q+kUimPwnM536GCT6yQ== | 2026-04-16 | Original Equipment |
| 4GOxDdS5JTD14Iq5WjPZ1A== | 2026-04-16 | Original Equipment |
Grants
TCB Grant - Application gC5Q+kUimPwnM536GCT6yQ==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Nemko North America, Inc. 303 River Road Ottawa, Ontario, K1V 1H2 Canada |
Date of Grant: 04/16/2026 Application Dated: 04/14/2026 |
| 3M Company |
| Personal Safety Division |
| 3M Center |
| St. Paul, MN 55144-1000 |
| Attention: Yuriy Litvinov , Lead EMC Engineer |
| 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: | Y9ZMT14H419 |
| Name of Grantee: | 3M Company |
| Equipment Class: | Part 15 Class B Digital Device |
| Notes: | Hearing protection with two-way radio headset |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15B | - |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |
TCB Grant - Application 4GOxDdS5JTD14Iq5WjPZ1A==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
Nemko North America, Inc. 303 River Road Ottawa, Ontario, K1V 1H2 Canada |
Date of Grant: 04/16/2026 Application Dated: 04/14/2026 |
| 3M Company |
| Personal Safety Division |
| 3M Center |
| St. Paul, MN 55144-1000 |
| Attention: Yuriy Litvinov , Lead EMC Engineer |
| 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: | Y9ZMT14H419 |
| Name of Grantee: | 3M Company |
| Equipment Class: | Part 15 Low Power Communication Device Transmitter |
| Notes: | Hearing protection with two-way radio headset |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| CC | 15C | 915.5 - 915.5 |
| CC: | This device is certified pursuant to two different Part 15 rules sections. |