Advanced connectivity: for R2 Nanos built-in Wi-Fi module enables seamless control, ensuring easy updates and connectivity Enhanced range: Equipped with a high-performance tower antenna and LR1121 transceiver, this receiver provides etended range and reliability to meet all your remote control needs. Compact design: for R2 Nanos compact and design makes it ideal for a variety of remote control applications, providing powerful performance without being bulky Added UART output interface for more epansion possibilities Perfectly compatible with all for EpressLRS remote controllers and high-frequency heads Item: R2 Nano 2.4GHz EpressLRS Receiver Type: ISM2.4 MCU: ESP32C3 RF Chip: LR1121 Antenna: Integrated 2.4GHz Tower Antenna Frequency Range: 2.400 - 2.479GHz Telemetry Power: 10mW Maimum Packet rate: DK500Hz Minimum Packet refresh rate: 50Hz Working voltage: 5V Firmware Version: EpressLRS v3.5.1 pre-installed FW Target: for R2 2.4 R Bus interface 1: CRSF Bus interface 2: UART The product appearance and printed words depending on the batch, but this does not affect use Colour:As Shown Material:PCB Package Contents: 1 R2 Receiver 3 Heat Shrink Tubes 1 CRSF Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.