Motorola MH-450S medium duty speaker microphone. Compatible with all single pin portable radios and includes 2 retaining screws.
This speaker mic is compatible with the following two way radios:
VX-130, VX-160, VX-180, VX-231, VX-261, VX-264, VX-351, VX-354, VX-410, VX-420, VX-420A, VX-450 Series, EVX-530 (eVerge) Series.
