Quote Originally Posted by JStump2490 View Post
I have read that, but what I don't get is why it is needed? I don't have any problems without GPS using my current 3 head setup, so why on earth would this be required to use a TX head? I don't care what so ever that my jammer may go off under 21 MPH. Seems like a ploy to get you to spend money unnecessarily.
TX operation and algos are tied to your vehicles speed. If you want to use TX Sensors you need the GPS Antenna.

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