Extended Range Antenna for Gate Openers Garage Door Operators for use in Liftmaster Linear basically any receiver with a coaxial Connection F type It will extented signal for automatic electric gates Linear EXA-1000 Omni-directional Remote Antenna is designed enhance the radio range of receivers This antenna can be connected to the F connector on many Linear receivers to improve their range Usually an increase of 20-30% range can be expected The versatile EXA-1000 can be mounted in a variety of ways. A 2-inch U-bolt is supplied for post or pipe mounting, or the U-bolt holes in the Base Plate