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ExpressLRS ELRS System

ExpressLRS the new open-source radio control protocol that aims to provide the best completely open, high refresh radio control link while maintaining a maximum achievable range at that rate with low latency. Vast support of hardware in both 900 Mhz and 2.4 GHz frequencies. 

ELRS is now supported by many hardware manufacturers including BetaFPV. You can find AIO flight controllers with built-in ELRS receiver, ELRS receivers, ELRS TX module and more to work with your existing gear.