SEQURE ELRS 2 4GHz Single RX Single Antenna Receiver Long Range High Refresh Rate for FPV Racing Drone Fixed WingFeatures 1 High frequency anti interference 2 4GHz frequency strong signal penetration 2 High speed data transmission supports F1000Hz and F500Hz ultra high refresh rates meeting the low latency requirements of racing players 3 Onboard temperature compensated crystal oscillator TCXO rejects the impact of ambient temperature on flight maintains stable operation in high or cold environments making flight safer 4 Integrated with a high power PA LNA low noise amplifier and 100mW 20dBm telemetry return returning the flight data is more stable 5 Supports SH1 0 4P socket and 2 54 4P pad two connection methods to meet various scenarios Description Brand SEQUREModel ELRS 2 4GHz Single RXFactory Firmware SEQURE 2 4GHz Single RX 3 4 0MCU ESP8285RF Chip SX1281Crystal Oscillator Type Temperature Compensated Crystal Oscillator TCXO PA Power Telemetry Power 100mW 20dBm LNA YESIndicator Light LEDFrequency Band 2 4GHz ISMProtocol CRSFRF Mode Single AntennaAntenna Interface Ipex1Receiver Interface SH1 0 4P Connector 2 54 4P PadWorking voltage 5VWeight 0 7gSize 18 10 8 5mmPackage Size 150 100 15mmPacking Weight 8gPackage included SEQURE ELRS 2 4GHz Single RX 12 4G Antenna 80mm 130AWG 100mm Single end SH1 0 4P Cable 112 30mm Heat Shrink Tube 2