Remote Receiver - 301506 for following units:WM-FM-26-3623-BG / WM-FM-34-4423-BG / WM-FM-48-5823-BG / WM-FM-60-7023-BG / WM-FM-72-8123-BG / WM-FM-88-10023-BG
Remote Reciever #3001506B For following models: SYM-34 & SYM-42 & SYM-50 & SYM-60 & SYM-74 & SYM-88 & SYM-100 FS-26-922