Product name:Namimno ExpressLRS ELRS 2.4GHz Flash Low Latency and High Refresh Rate TX Module OLED Screen with RC Nano Mini Receiver for RC FPV Racing Drone Precise details: Specifications: Brand Name: Namimno Item Name: 2.4G TX Module with Receiver OVERVIEW: FLASH_TX is based on the open sourced EXPRESS LRS project, The hardware has been optimized and designed for real world environments, and it adopts the popular Lora SX1280 radio frequency chip with excellent performance. The Express LRS firmware allows for low latency and high refresh rates, suitable for long range flights and FPV racing. The entire transmitter module is built within a JR-style module. Equipped with customized heat sinks and fans, excellent heat dissipation performance ensures the stability of the transmitter module during flight. The Express LRS firmware allows for low latency and high refresh rates. Built-in telemetry functionality sends aircraft parameters in real-time. Matched with an optimized antenna and enjoy increased distance and telemetry. FLASH_RX is based on the open-sourced EXPRESS LRS project. The hardware has been optimized and designed for real-world environments giving it a compact size and stable performance. Conveniently upgradable via WIFI. The Express LRS firmware allows for low latency and high refresh rates. Built-in telemetry functionality sends aircraft parameters in real-time. Matched with an optimized antenna and enjoy increased distance and telemetry. 2.4GHz Flash TX Module: Model: FLASH_TX Wireless frequency: 2400-2480MHz Transmitting power: Remote control distance: >3000m Remote control refresh rate: 25Hz-500Hz RF interface: SMA-outer screw inner hole (adapted antenna inner screw inner pin) Power supply: internal power supply: 6-13V, external power supply 6-16V Size: 64*52*40mm 2.4GHz Flash Nano Receiver: Model: FLASH_RX Wireless frequency: 2400-2480MHz Transmitting power: Remote control distance: >3000m Remote control refresh rate: 25Hz-250Hz RF interface: IPEX generation Power supply: 4.5-10V Size: 18.35*11.5*3.5mm Package Included: A--2.4G Flash TX: 1 x Flash TX Module B--2.4G Nano RX: 1 x Nano Receiver (with T antenna) C--2.4G Nano RX (Onboard): 1 x Nano Receiver (onboard antenna racing version) D--2.4G TX+3RX: 1 x Flash TX Module 3 x Nano Receiver (with T antenna)