Two-wire Earpiece with Microphone & PTT Switch, Assembled HT1000 Style connector. For Motorola XTS2500, XTS3000, XTS3500, XTS5000, HT1000, JT1000, MT2000, MTS2000, MTX8000, MTX9000, EF Johnson 51SL, 5000, 5100, 7700 series, etc.
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