• Definition & purpose: A compact transmitter worn on the body (vest, helmet, gear) that sends live video (and often audio/data) wirelessly from the wearer to a remote receiver or monitoring centre — useful for situational awareness, tactical ops, live event coverage.

  • Input & output formats: Many models support HDMI or CVBS video input from a camera and then wirelessly transmit HD (1080p) or higher video streams to a base receiver. Example: “1080p FHD up to 60fps, HDMI and CVBS dual video inputs” in one body‑worn transmitter.

  • Transmission technology & range: These devices often use COFDM (Coded Orthogonal Frequency Division Multiplexing) modulation for robust wireless link, with selectable frequencies (e.g., 300 MHz to 2.7 GHz) and ranges like 1‑1.5 km Non‑Line‑of‐Sight (NLOS).

  • Key features & build quality: Rugged aluminium housing, encryption (AES256 or user defined), low latency (often <100ms), lightweight for mounting on body gear, adjustable bandwidth and modulation.

  • Applications:

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