better receiver range.
PA for better telemetry range.
Antenna Diversity for improved signal stability and range.
Built-in a TCXO (temperature compensated crystal oscillator)
Compatible with all 2.4GHz ExpressLRS modules and transmitters with built in 2.4GHz ExpressLRS

Specification
Item: RP3 Diversity Receiver
Type: ISM
MCU: ESP8285
RF Chip: SX1281
Telemetry RF power: Max 100mw
Antenna: 65mm 2.4ghz T Antenna x 2
Frequency Range: 2.404 - 2.479 Ghz
Maximum receive refresh rate: 500Hz / F1000Hz
Minimum receiver refresh rate: 25Hz
Working voltage: 5v
Weight: 4.6g (Including two antenna)
Dimension: 22mm*13mm*4mm
Firmware Version: ExpressLRS v3.0 pre-installed
FW Target: RadioMaster RP3 Diversity 2400 RX
Bus interface: CRSF

Package Includes
1 * RP3 ExpressLRS 2.4ghz Nano Receiver
2 * 65mm UFL 2.4Ghz T Antenna
1 * User Manual
1 * CRSF wire