- Model: PMMN4099
This Motorola Remote Speaker Microphone (RSM) comes with a Volume Toggle Switch and Emergency Button for easy operation. The 3.5 mm audio jack allows you to connect a receive-only earpiece for private communication.
PMMN4099B features IMPRES technology providing superior audio by suppressing ambient noise, improving voice intelligibility and amplifying quiet transmissions.
It also has a TIA 4950 Div 1 and 2 intrinsically safe rating when used with radios with the same rating.
IP68 submersibility rating (2 meters for 2 hours).
Windporting
The Windporting feature is specifically designed for windy outdoor environments. Windporting dramatically reduces the noise caused by howling winds and harsh weather. And it prevents water from clogging the microphone and distorting your transmission.
IMPRES
Motorola’s exclusive IMPRES audio accessories help suppress ambient noise, amplify loudness and improve voice intelligibility. IMPRES audio accessories provide two-way audio quality that is loud, clear and intelligible in analog and digital modes.
3.5 mm Audio Jack
3.5mm audio jack allows discrete communication with optional earpieces.