Introducing the DJI Lightbridge, 2.4G Full HD Digital Video Downlink. DJI Lightbridge is an all new revolutionary 2.4G Full HD digital video downlink. DJI Lightbridge offers extremely powerful equipment packed into a small and light-weight form factor. By offering 1920 x 1080p@30fps video data transmission from up to 1.7km (1.05miles) away, it’s the ideal solution for the professional aerial photographer and FPV users. Set yourself free and remove the limits from low definition analog video transmitters.