Product name:iFlight ELRS 2.4GHz/915MHz 500mW RX Receiver with Antenna for FPV RC Racer Drone Precise details: Description: A new version of the iFlight ELRS Receiver is available. It incorporates a temperature-compensated crystal oscillator to prevent frequency shift caused by temperature variations, with telemetry power reaching up to 500mW. It significantly meets the reliability requirements for long-distance flights, aerial photography, or FPV freestyle maneuvers. Features: * Single-sided electronic components, saving assembly space. * Aluminum heatsink plate to protect electronic components, and enhance anti-interference capability. * Newly upgraded Temperature Compensated Crystal Oscillator, lower packet loss, high frequency stability. * Pre-soldered SH1.0 connector (Plug & Play for easy installation with iFlight FCs). * Up to power 500mW telemetry power, resulting in stronger telemetry signals and significantly reducing instances of telemetry loss. Performance and Compability: Make sure to install the antenna away from conductive or magnetic components (carbon, metal, motors). Flash the latest firmware and follow the ELRS Community for updates, tutorials or contributions. Use iFlight ELRS receivers coupled with our transmitter for maximum performance We've probably achieved market's best crystal frequency stability at a very low frequency deviation. Please checkout this article for further information https://github.com/ExpressLRS/ExpressLRS/wiki/Crystal-Oscillator-(XO)-Frequency-Error Band Option: The 900MHz as well as 2400MHz band have outstanding performance and long range capabilities. If you're not sure what to get, please checkout the official ELRS Long Range Competition to see what has been achieved. https://www.expresslrs.org/2.0/info/long-range/ What can you expect? Due to local regulations, the 915MHz FCC region seems to have a better performance than the 868MHz EU region. The 2400MHz band works great in any region, has a higher packet rate up to 500hz. This is not a common 2400MHz protocol and cannot be compared to anything prior on the market. Specifications: MCU: ESP 8285 Receiver Type: Single antenna Firmware: iF 900 500mW RX(868MHz/918MHz) / iF 2G4 500mW RX (2.4G) Frequency bands: 868MHz EU/915MHz FCC and 2.4GHz ISM Telemetry Power: 100-500mW (20-27dBm) (868/915MHz) / 50-500mW (17-27dBm)(2.4G) Dimension: 14*25*4.3mm Protocol: CRSF LNA: N/A(868/915MHz) / YES (2.4G) Weight: 1.8g Packing List: 1 x ExpressLRS 500mW Receiver 1 x Antenna