Radiomaster RP3 is a small receiver for the ExpressLRS 2.4GHz system.ExpressLRS is an advanced open source RC system with long range, low latency, high refresh rate and many useful features. Learn more about ELRS here.
The receiver uses double antennas for even more reliable RC transmission. The receiver uses the ESP8285 chip and the SX1280IMLTRT RF chip, which is complemented by the Low Noise Amplifier (LNA) Skyworks SE2431L. A second PA amplifier is used to enable the receiver to transmit telemetry at up to 100mW.