Linear Mega Code MCT-2, dnt00084 Linear MCT-2 dual button remote, 318 mhz, visor style The MCT-1 and MCT-2 MegaCode digital transmitters are wireless radio controls designed for use with automatic garage/gate operators. The MegaCode radio format provides unparalleled security. The format provides more than a million different codes. Features Activates two MegaCode receivers independently Test/operate LED Visor mounting clip supplied Power: 9 V battery Frequency: 318 MHz Codes: 1,000,000+ (factory precoded) Dimensions: 2.16 x .95 x 3.75 inches