
Motorola PMMN4029A Noise Cancelling Microphone (IP57)
If you are working in demanding environments where clear communication is critical, the Motorola PMMN4029A Remote Speaker Microphone (RSM) is an essential upgrade for your two-way radio setup. Designed to withstand the elements while delivering exceptional audio clarity, this genuine Motorola accessory ensures your team stays connected without needing to unclip their radios. Whether you are already using the Motorola DP1400 or the newer R2 series, this microphone is built to perform reliably day in and day out.
Why choose the Motorola PMMN4029A microphone?
This microphone stands out because of its rugged build and advanced audio capabilities. It features Motorola's exclusive Windporting technology, which dramatically lessens background noise caused by high winds and severe weather. This means your voice comes through loud and clear, preventing missed instructions or garbled transmissions. Additionally, it carries an IP57 rating, making it highly resistant to dust and capable of surviving submersion in water, so you never have to worry about sudden downpours or dusty job sites.
Which radios are compatible with this accessory?
The PMMN4029A is fully compatible with the popular DP1400 and R2 Motorola two-way radios. It also supports intrinsic safety standards (FM) when paired specifically with legacy CP140, CP160, and CP180 models. Please note that this model directly replaces the older MDPMMN4029 version.
What are the key technical specifications?
Understanding the exact capabilities of your equipment helps ensure it meets your operational needs. Here is a quick breakdown of the PMMN4029A's specifications:
- IP Rating: IP57 (Dust and water-resistant)
- Noise Cancelling: Yes, via Windporting feature
- Audio Jack: No
- Emergency Button / Volume Control: No
- Intrinsic Safety Standard: FM (for CP140/CP160/CP180 only)
Looking to complete your radio setup?
To keep your fleet operating at peak performance, consider pairing your radio with a fresh Motorola Li-Ion 1600mAh Battery for extended shift life. If you need to replace a damaged antenna, the Motorola DP1000 Series VHF Stubby Antenna is a perfect low-profile option to maintain excellent signal range.


