With IP68 sealing and a 3.5mm audio jack, the PMMN4128 remote speaker mic keeps R7-series crews heard through dust, rain, and noise.
Key Features
- 3.5mm connector variant matched to R7 and R7a two-way radios
- IP68-rated housing shrugs off water and dust in field deployments
- Remote speaker mic layout keeps transmissions clear in high-noise areas
- Portable build supports rapid issue and redeployment across teams
- Fits security and event programs that need rugged communication kits
Specifications
| Type | Handheld Microphone |
| Communication | Wired |
| Style | Handheld Microphone |
| Feature | Portable |
| Place Of Origin | China |
| Product Name | Speaker Microphone |
Browse our full two way radios range for wholesale orders, or contact us for bulk pricing on large quantities.
Do these radios require a license?
Business UHF/VHF radios require a license in most countries; license-free TLKR/PMR models and PoC/LTE radios do not. Contact us and we will advise for your country.
Can you program my frequencies?
Yes — include your licensed frequencies in the order notes and we pre-program the radios before shipping, free of charge.
What range should I realistically expect?
Expect 1–5 km in urban environments and 10 km+ line-of-sight, depending on power, terrain and antenna.

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