Choosing a video system determines image quality, latency, range, and cost. There is no universal best — each system has a place. Analog How it works: Camera outputs composite video; VTX (video transmitter) broadcasts it on 5.8 GHz. Receiver decodes the analog RF directly. Pros: Lowest latency (sub-ms RF link; ~3–7 ms …

A clean OSD gives you essential flight data without cluttering the image for recording review. The goal: show only what you'll actually need after landing. Analog OSD (MAX7456) The MAX7456 chip on most FC stacks handles OSD overlay on analog video. Minimal useful set for recording investigation: Element Reason Battery …