Teradek Bolt Sidekick XT Used, but works as advertised 500' Line of sight range Firmware is up to date 2x 3G SDI Out Listing is for receiver only! Pairs with any Teradek 500,1000, or 3000 (LT or XT) WILL NOT WORK WITH A BOLT 4K OR BOLT 6 Missing a small screw on the top of the antenna cover, as well as the plate covering the battery plate terminal (see pics)