I would think you could hook it up to the cable input connection or the satellite connection. If you connect it to the satellite connection, you would need to run a piece of coax from the connection inside to your TV, and it would be connected to that TV only.
2013 Silverado 2500HD LTZ CC 6.6L Duramax Diesel
2014 Sunset Trail SF270BH
Holly & Buster, mini Dachshunds
2016: 1 trip, 3 nights in 1 state, 316 miles
2015: 5 trips, 18 nights in 3 states, 2707 miles
2014: 5 trips, 14 nights in 3 states, 2426 miles