Feature 17x11mm Small size 0.7g weight WIFI Upgrade firmware ELRS open source project, remote control Maximum refresh rate of 1000Hz The use of temperature-compensated crystal oscillator (TCXO), no fear of high or low temperature impact, more stable performance, even if long hours of work is not easy to cause loss of control Built-in PA + LNA, up to 100mW telemetry power Specifications Size: 17x11mm Weight: 0.7g (RX only) Chips: ESP8285, SX1281 Crystal Oscillator: TCXO Frequency Band: 2.4GHz ISM Refresh Rate: 25Hz-1000Hz Input Voltage: 5V Antenna Connector: ipex1 TLM Power: 100mW Firmware：GEPRC Nano 2.4GHz PA100 RX Includes 1 x ELRS Nano 2.4G PA100 Receiver 1 x Antenna 1 x Heat shrink tube 4 x Silicone cable 1 x Pin (4pin) 1 x Instruction manual