DEFENDER Series Single Wire TACTICAL KITS with D shape Earpiece and replaceable Radio Cable. Kit comes standard with PTT-1500B (Hockey Puck) PTT but can be upgraded ($35 list) to Belt-mount junction box and Finger PTT.
New Vertex radios with Multi-pin connector including: VX-821, VX-824, VX-829, VX-921, VX-924, VX-929, VX-P821, VX-P824, VX-P829, VX-P921, VX-P924, VX-P929, VX-P870 Series, VX-P970 Series (all P25), and VXD-720 Digital DMR models.
