The remote driver board allows the user to run control cable from the antenna to the bottom of the tower, and then run cat5 cable up to 900 feet from the remote driver board to the ham shack; This standalone module also has the Advanced LightningThe remote driver board is mounted near the tower base. 12 conductor control cable is run from antenna to the remote driver board, and then CAT5e cable can be used to connect from remote driver board to hamshack, up to 2000 feet away. Requires a power source. Advanced lightning protection (ALP) module is included with this option. Remote driver board comes with an aluminum mounting plate but does not come with an enclosure..