Features: 1. Superb linear performance. 2. High output power with water-resist housing. 3. Designed for outdoor application. 4. Automatic gain control and manual gain control. 5. Easy installation & maintenance. 6. Extend cell phone battery life. Power supply Ac:110~220v; 50/ 60 hz Operating temperature -25¡æ~50¡æ Environment conditions Ip65 Dimensions (d x w x h )453.6*357.8*159.7 mm Weight ¡ü22kg