Description
TCM3105NL FSK modem chip for FPV telemetry over audio.
http://diydrones.com/profiles/blogs/open-source-audio-telemetry
Use these chips to build modems to transmit telemetry data over your FPV audio channel. This can be handy when working on things like long range antenna tracking, or if you want one OSD for all of your quads.
More on how to do that here:
http://diydrones.com/profiles/blogs/open-source-audio-telemetry
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