1pin 3.5mm Mini Speaker Microphone SM-25 for Yaesu Vertex FT-60 FT-50R VX-150 VX-351 - Walkie-Talkie
Bluetooth Speaker Mic w/ Volume Knob & Adapter For Vertex: VXD-970, VX – Comm Gear Supply
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Vertex MH-50C7A Remote Speaker Microphone with Toggle Switch - HiTech Wireless Store - Business Two Way Radio
MH-67A8J Microphones For Vertex Standard VX-2100/2200/4600 Yaesu FT-450D Radios | eBay