Vertex MH-45B4B Vertex Standard Noise Cancelling Remote Speaker Microphone (RSM)
Model Number: MH-45B4B
MH-45B4B Reduce ambient environment noise when the user transmits.
The Vertex Standard Noise Cancelling Remote Speaker Microphone (RSM) reduces crowd or machinery noise so your voice comes through loud and clear when you speak directly into the microphone. This speaker microphone includes a Push-to-Talk switch and speaker volume toggle switch to control the volume. An ear jack provides the ability to add an optional ear speaker.
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