Select Handheld Radios Coil Cord can connect to a 2-way racing headset or intercom. The cables are designed to be 2' coiled and 6' uncoiled. Works with multiple series of Kenwood, Motorola, ICOM, Speedcom, Blackbox, HYT, Cobra, and Vertex radios. For instance, it is compatible with Kenwood TK2101 PRO POWER, TK3101 FREE TALK XL, TK220, TK370G among other models in the series. It also works with Motorola CT450, GP300, GP2000, GP68, PRO3150 and further models. Compatibility with ICOM series covers CI-F3, F30G, F10, IC-H2, U12, U16, and all ICOM dual pin amateur radios. Additionally, all 2 pin radios of Cobra brand and Vertex radios models like VX200, VX500, VX210, VX231 are supported. Other series covered include Speedcom MT/ST and Black Box & Black Box+. Series of compatibility also extend to Motorola Talkabout and HYT (Hytera) TC320.