Specification:

Item: RP1 Nano ExpressLRS 2.4ghz Receiver

Type: ISM

Antenna: 65mm UFL 2.4ghz T Antenna

Maximum receive refresh rate: 500Hz / F1000Hz

Minimum receiver refresh rate: 25Hz

Working voltage: 5v

Weight: 2.2g (Including antenna)

Dimension: 13mm*11mm*3mm

Firmware Version: ExpressLRS v2.4 pre-installed

FW Target: RadioMaster RP1/2 2400 RX

Bus interface: CRSF

Package Includes:

RadioMaster RP1 ExpressLRS 2.4Ghz Nano Receiver*1

65mm UFL 2.4ghz T Antenna*1

User Manual*1

RP1 2.4GHz ELRS Nano receiver is an open source receiver based on ExpressLRS with ESP8285 MCU and SX1280 RF chip.
The RP1 has a UFL antenna socket for a full range of antennas, is ultra light weight and small in size, making it ideal for racing.
The RP1 has built-in WIFI, so you can upgrade the firmware via WIFI and configure the receiver with your PC or cell phone via the built-in WebUI.
With its low latency and high refresh rate RF modules, the RP1 is ideal for FPV racing or long range.
Suitable for Whoops, drones and fixed wing models, these receivers can be placed almost anywhere due to their ultra-light and Nano size.