Features: Experience stable long ranging control with the two band Module, featuring two 915MHz/2.4GHz ELRS frequencies and 1W/2x1W output for FPV drones enthusiasts requiring low latency transmission. Engineered with built in cooling fans and lightweight aluminum ABS construction, this module supports 7-30V input and Type C/WIFI firmware updates for seamless integration. Ideal for competitive FPV racers and aerials photographers needing reliabled signals stability during extended flight or high intensity drones operations. Optimize long distance missions in challenging environments like mountainous terrain, where double antenna configurations ensures uninterrupted communication for precise maneuvers. With double/single antenna flexibility, combining ELRS protocols efficiency with thermal management for sustained 1W power output in demanding FPV drones setups. Specifications: Component:Aluminum Alloy+ABS Size:Approx.37x69x21mm/1.45x2.71x0.82inch Antenna Count: Single Backpack: Supports Package Includes: 1 Set Drones Transmitter Module note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.