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  1. R

    Legal US Frequencies

    I am new to FPV. I want to get a 5.8Ghz Rx/Tx. I see a lot of Rx/Tx with selectable channels within the 5.8 band. I was told that in the us there is only one legal chanel/subband and that all Rx/Tx sold in the US have the frequency dip switches preset and sealed. Is this correct?
  2. C

    Antenna height?

    Hello All, I am setting up a ground station for FPV. Doing reseach and found some guys have low to the ground antennas. And others high. I am making my system around 5.8MHz. Do each frequency have a different optimal height that the antennas work better. Or one height better for long distance...