The most
communication solution.
reliable
rugged
Stone Mountain speaker microphones are the loudest, most rugged LMR and Cellular PTT communications accessories. Proudly designed and manufactured in the USA.
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a comprehensive communication system for the New
York City Municipal Transit Authority's paratransit
service.
BluSkye®
Bluetooth® PTT Speaker Microphone
The BluSkye Series from Stone Mountain is the loudest, most rugged Bluetooth remote speaker microphone (RSM) in the world. Designed to meet grueling IP68 and MIL-810H standards, it provides clear, reliable communications in the most hostile environments.
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UVox™ Pro
USB PTT Speaker Microphone
The UVox series pairs Stone Mountain’s signature rugged platform with a modern USB connection. UVox brings unprecedented functionality in a wired form factor by leveraging the full power of the USB interface. Designed to meet grueling IP68 and MIL-810H standards, it provides clear, reliable communications in the most hostile environments.
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Epic™
Sonim Secure Audio Connector
PTT Speaker Microhphone
The Epic Series brings the ruggedness and reliability of traditional LMR to cutting edge cellular communication systems. Custom developed to support all Sonim handsets employing the SecureAudio Gen 1 Connector, including XP5s, XP5Plus, XP8, XP10, etc. Designed to meet grueling IP68 and MIL-810H standards, it provides clear, reliable communications in the most hostile environments.
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