2.4 GHz is the unlicensed ISM (Industrial, Scientific, Medical) band. No
license needed to play with the transmitter, at least up to a watt or so- I
forget the exact spec for max TX power.

--Ian


> Add a loop yagi to the receiver, or better yet, a 4-6 turn helix.
> You can't have gain without directivity, but all that takes is someone to
> point the antenna at the transmitter during flight.
> You can also add receiver gain with mini-circuits MMIC amplifiers.
> If you mess with the transmitter, you need a ham licence.
>

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