My memory isn't so good but from what I remember, the FCC hack will allow you to fly further than 2km range of the UK mini.
2.4/5 is dependant on your surroundings, open space, interference etc. Haven't had the need to change mine from auto- if you look at it in settings, you want the channel in green with the lowest interference, and auto has always done that for me![]()
,give it a try sometime,without the tree
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