MTX series: MTX150, MTX450, MTX850, MTX850LS, MTX900, MTX950, MTX960, MTX1500, MTX1550, MTX4500, MTX4550, MTX8250, MTX8250LS, MTX9250, MTX9250LS. Compatible Motorola Multi-pin Radio Models In-line microphone hidden in PTT button, with swivel clothing clip attached.
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