A few weeks ago I was asking the same question. I just installed Nav-Tv and would've rather used the Sharkfin OEM than the bumper antenna, but hte responses I got were that it is not compatible with anything but the cell phone. I'm going with that and I pretty much forgot about it. It uses a different signal than TV and the connections are prolly different. For a Tv you want to get a powered diversity antenna to avoid static. A diversity antenna uses two antennas that it switches back and forth on to do away with static. It is also powered. NAV-TV has OEM amps that connect to your rear window radio ant, if you have a rear window integrated antenna, for Tv reception. Hope this helps. :dunno:
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