TROOPER II® Series HEAVY DUTY SPEAKER MICROPHONES have a Noise Canceling Mic and are designed to meet MIL-STD-810 mechanical and IP57 Dust and Water Proof standards. Troopers also have a 3.5mm earphone jack and 2-year warranty.
Fits Vertex Standard radios with 1-pin and 2 retaining screws including: VX-130 series (VX-131, VX-132), VX-160, VX-180, VX-210, VX-210A, VX-230, VX-231, VX-350, VX-351, VX-354, VX-400, VX-410, VX-420, VX-427, VX-450, EVX-530 (Digital)