Vertex Standard MH-66A7A Submersible Noise Canceling Speaker Microphone. The MH-66A7A comes with a 1-year Full Replacement Warranty.
For Use With:
Vertex VXD-720 Radios
Vertex VX-820 Radios
Vertex VX-920 Radios
Vertex VX-P820 Radios
Veretx VX-P920 Radios
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