GP Series GP338XLS, GP638XLS, GP344, GP344R, GP366R, GP388, GP388R, GP644, GP688. EX Series EX500, EX600, EX560XLS, EX600XLS. PRO / Elite Series PRO5150 Elite, PRO5151 Elite, PRO7150 Elite. Rotating clip on the PTT button attaches securely onto the lapel, collar or tie without damaging clothes.
eBay