WARNING: 1. Install antenna before use. 2.To prevent overheating, provide constant airfiow and a well ventilated environment. Install a cooling fan if operating in confined conditions. 3.The 5V Output is just used for a Camera/Cooling Fan Don't connect Power Input / Battery to 5V Output port. Otherwise the VTX will be damaged. Specifications: Frequency: 5.8G Power Output: 1.6W Voltage Input: 7-28V Size: 36*36*10mm Weight: 18g Connectors: MMCX, RP-SMA Smart Audio: IRC Tramp Feature: 1.High Power Output: 1.6W power output ensures long-range FPV transmission with stable signal quality. 2.Compact Design: Measuring only 363610mm and weighing 18g, this lightweight transmitter is ideal for various applications. 3.Smart Audio Support: Compatible with IRC Tramp Smart Audio, allowing for in-flight parameter adjustments. 4.Wide Voltage Input: Supports a broad voltage range of 7-28V, flexible for different power systems. 5.Robust Connectors: Equipped with MMCX and RP-SMA connectors for easy and secure antenna connections. Package included: 1x TX663 5.8G 1.6W Transmitter VTX Camera 1x Soft Antenna OR MMCX Adapter Cable