The receiver designed to remotely operate garage door and gate openers. The MVP receiver is compatible with Classic, MVP and Original Allstar, Allister and Pulsar type dipswitch transmitters. The MVP receiver is used for three-door opener installations. The radio frequency of the remote controls is fixed and tuned at the factory. RF adjustments are not required and should not be attempted by the end user. There are no user serviceable parts in the radio controls.