This Mighty Mule FM137 compatible unit from Allstar is a Wireless Keyless Entry Keypad this is direclty compatible with GTO and Mighty Mule automatic gate openers. This wireless keypad can control up to 4 Mighty Mule or GTO radio reveivers. Programming is simple just program the unit with the 9 dip switch settings from your opener and choose a PIN and your ready to go.
Compatible with the following remotes:
-GTO RB741, RB742, RB743, RB744
-Mighty Mule FM135, FM136, and FM137
-Controls up to four GTO and or Mighty Mule code switch type door/gates
-Illuminated keys for easy nighttime viewing
-Easy to program using keypad keys (no internal code switches to set)
-Hinged lift up cover protects keypad when not in use
-Low battery LED indicator
-None volatile memory
-Uses a 4 digit PIN + door number (for multiple doors)
-Mounting screws and 9V battery are supplied
-1 year manufacturer warranty
-Dimensions: 6" by 2.5" by 1.5"