The VuQube portable marine antenna continually tracks the satellite of your choice to provide uninterrupted TV reception on your boat. Simply connect the antenna and your satellite receiver to the controller using the supplied coaxial cable into existing +12V power. You'll also enjoy its one-touch operation, gyro-stabilized satellite tracking, positive satellite identification, automatic satellite switching, single cable connection, and portable design for increased flexibility. Compatible with DirecTV, Dish Network, and Bell ExpressVu services. Elevation range includes United States and southern Canada. 17.5"H x 16"W.