This receiver is specifically design for gate operators in the market 500 ft. distance

This R.A.S. Receiver has the capability for normally open or normally close connection.It is a long range receiver as well as having 2 channels that can reach upto 1500 feet distance from receiver to remote.You are getting a receiver at no charge to
http://www.vipergatesystems.com/en/remotes/1506-receiver-and-remotes-kit-for-all-gate-openers.html