2W-VG8000 Super Range True Color 4 Button 2-Way Remote. Standard item of VisionGuard 8000 2W-SR 5 Button FM 2-Way Super Range Remote. Standard Item of Galaxy 5500, and Galaxy 2200. T5-2W-TC True Color AM 5 Button 2-Way Remote. Standard Item of Galaxy 5100, and Galaxy 2100. This transmitter is compatible with all AM two way systems. ( Galaxy 5000RS-2W,Galaxy 2000RS-2W, Astra 4000RS-2W, Astra 1000RS-2W, Astra 777 )