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Transmitter and receiver compatibility?

Are all transmitters and receivers proprietary? I have a Flysky FS-i6 6CH 2.4G Transmitter and several FS-iA6B receivers. I want to replace my transmitter since it is getting old and has a broken toggle switch. I would like to find replacement that I can use with my current receivers. I'm looking at GoolRC. Is this the same protocol?


Well-known member
I would spend a little more more money and buy a TX with greater technical support like the Flysky, as opposed to a cheaper version. This one is not much more and has a decent sized screen and better features.