HAPPYMODEL ELRS 2-4G ExpressLRS EPI/EP2 RX Nano Long Range Receiver SX1280 EXPRESSLRS for Racing Drone (EP1 RX)

HAPPYMODEL ELRS 2-4G ExpressLRS EPI/EP2 RX Nano Long Range Receiver for Racing Drone Description Common feature of EPI. EP2 Receiver : Type: ISM SX1280IMLTRT RF Module MCU: ESP8285 Frequency Range: 2400 to 2500 Receive refresh rate: 25 - 500 Working voltage: 5V Dimension: 10mm*10mm*6mm Bind procedure: 1.Supply power to the EP1/EP2 rx, wait until the LED on the RX is off, immediately turn off the power, and then repeat again the above steps. When the RX is powered on for the third time, the LED light will start to double-flash, which means that the RX enters the binding mode 2.Insert the ES24TX module or other DIY 2-4G ELRS TX to Radio transmitter, and choose External RF mode to CRSF protocol, then you can find ELRS menu from the Radio systems(Need to copy the ELRS.LUA file to the SD-Card tools first), Enter into ELRS and press [Bind], the LED on the RX module will getting to be solid if bind successfully. 3.Receiver LED status meanings: EP1/EP2 RX: LED solid means bind successful or Connection established; LED double-flash means in bind mode; LED flash slowly means no signal connection from the TX module; LED flash fast means in WIFI hotspot mode, you can connect the WIFI of the RX and upgrade firmware of the RX via visit 10.0.0.1(password:expresslrs)

• The Happymodel 2-4G ELRS nano series receiver is an open source program based on ExpressLRS, pre-loaded firmware are all beta versions.
• MCU: EP1 / EP2_RX with ESP8285 MCU. Frequency Range: 2400 to 2500.
• Peak-Gain Difference: EP2 _RX is 3.7dB, while EP1_RX is 2.23dB.
• Receiver Common Feature: Working Voltage 5V , Dimension 10*10*6mm, SX1280IMLTRT RF Module, Receive Refresh Rate: 25- 500, Type: ISM.
• ELRS Receiver Comfortable with racing, long range dorne and tinywhoop, as they are lightweight , Nano size, and with Low-latency and high-refresh-rate RF module.