The Caddx Polar Micro Vista Unit is an advanced video transmission module that supports a 5.8 GHz digital video signal and 720p 60fps image transmission, with a transmission range of up to 4km and a minimum end-to-end latency within 32 ms. The vista unit can be mounted on a racing drone and used with DJI FPV Goggles or a remote controller to transmit video, control signals, and flight controller information wirelessly.