This earpiece is compatible with Motorola GP300, CP040, DP1400, XTN, XTNI, XTNI-D, XT420, XT460, XT660D. SPEAKER MIC & COVERT EARPIECE FITS MOTOROLA TWO WAY RADIO XT420 XT460(RS-ACC-M1). This Speaker Mic has an overall cable length of 60cm with a curly chord and the length of the listen only covert earpiece is 30cm.
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