The MH-45B4B is a heavy duty speaker microphone designed especially for Vertex Standard transceivers. This speaker microphone clips onto the lapel, has a volume switch and 3.55mm earjack audio adapter. Intrinsically safe.

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The MH-45B4B is a heavy duty speaker microphone designed especially for Vertex Standard transceivers. This speaker microphone clips onto the lapel, has a volume switch and 3.55mm earjack audio adapter. Intrinsically safe.

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