Compatible with:AT100, AT500, IC-25A, IC-45A, IC-120, IC-220, IC-221, IC-225 IC-245, IC-255A, IC-260, IC-280, IC-290H, IC-451, IC-490, IC-560, IC-1200, IC-22S, IC-27H, IC-37A, IC38A, IC-211 IC-251, IC-R7100, IC-R9000L, IC-R70, IC-R71, IC-R7000, IC-22U 2-meter transceiver and IC-R8500 Shortwave receiver