This Allstar 9921T compatible visor style remote control from Transmitter Solutions can replace any Allstar/Allister/Pulsar 318 MHz remote control with 9 on/off dip switches. Programming is simple just match the 9 switches inside of this unit to your exisitng remote control or actual door opener and your ready to go.
Compatible with the following Allstar / Allister units: AD921, AD9921, ADX921 and ADX9921 remote controls.
-Compatible with Allstar and MVP receivers
-RF frequency: 318 MHz
-Codes: 512 (set by nine binary dip switches)
-Includes visor mounting clip, 12 volt battery, and programming manual
-Dimensions: 3 x 1.75 x .5 inches
-2 Year Manufacturers Warranty