Model: PMMN4090A. 1 Speaker Mic. Motorola PMMN4050 PMMN4050A Speaker Mic For XPR6550 XPR7550. Applicable models: MOTOROLA GM950 / GM300 / GM338 / GM3188 GM3688 / GM338 / SM50 / SM120 / MCX960 and so on.
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