In this video I will show you how to make your own double biquad for 5.8GHz FPV. This design came from the biquad curve for 2.8GHz wifi but with a small change to the reflector to give it a much wider beamwidth @65-70 degree, than a typical flat reflector @ 50-55 degree.
The double biquad operates around 11dbi but this build uses a reflector of 1.5mm of aluminium so in theory should have a much better front to back ratio and as such will through more energy forward giving a better forward gain.
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