compatible with models: kenwood th series: th-d7, th-d7a, th-d7ag, th-d7e, th-f6, th-f6a, th-f7, th-f7e, th-g7a, th-g71a th-g71e, th-k2, th-k2a, th-k2e, th-k2et, th-21, th-21at, th-21bt, th-22, th-22a, th-22at th-22e, th-25, th-26, th-27, th-28, th31at, th31bt, th41at, th41bt, th-42, th-42a, th-42at th-42e, th-45, th-46, th-47, th-48, th-55, th-75, th-77, th-g71, th-205, th-215, th-225, th-235 propower series: tk-2102, tk-3102, tk-2160, tk-3160, tk-2170, and tk-3170.