Composite or Coax but Not Component or HDTV
Can the Video Sender transmit component video (red/green/blue RCAs)?
Can the Video Sender transmit HDTV?
No. It can only transfer composite video in standard definition (single yellow RCA for video.) It will not transfer any kind of component or HDTV signal.
Here is an external website that explains the difference between standard definition and high definition TV: