This GTO / Mighty Mule FM134 / FM135 compatilbe 3 button remote control made by Linear will control up to 3 differernt 318 MHz Allstar radio receivers. Unit will work with both 3 posittion (+/0/-) and 2 positions (on/off) dip switch remotes.
Compatible with the following remotes:
-GTO RB741, RB742, RB743, RB744
-Mighty Mule FM135, FM136, and FM137
-318 MHz radio frequency
-Controls up to 3 different garage door or gate openers
-Includes: battery, visor clip, and programming manual
-Dimensions: 3.25" by 1.25" by .625"
-One year manufacturers warranty