The transmission distance Description:
(1) Open environment: With 3dB antenna on 900 meters; 9dB antenna on 1300 meters; 15dB antenna on 1700 meters;
(2) Walls, buildings, metal objects such as blocks: 3dB antenna on 500 meters; 9dB antenna on 650 meters; 15dB antenna on 750 meters;

The scope of application: All kinds of wiring at an inconvenient place, with photo machine, you need to video transmission (video monitoring), between the camera and the monitoring center (open area) 900 meters, 400 meters or the distance blocked by this launchers camera signal to the control room. Such as family mobility of the elderly and infants sleep care; Journalists, judicial officers handling the case; Model aircraft and other aerial photography.