GLADIATOR DUAL ELEMENT HARD COLLAR THROAT MIC KIT w/Twist Connect Acoustic Tube Earphone and Round (Hockey Puck) PTT switch. Finger-Tip PTT and Junction Box UPGRADE Available for extra charge ($35 MSRP).
Fits older Vertex radios with multi-pin connector (note: NOT compatible with VX-537 or NYPD models) including: VX-310, VX-520, VX-520UD, VX-600, VX-800, VX-900.
