Our facility has a several cameras as part of the security system. The signals goes to multiple recorders and then to modulators to allow the video to be viewed from a standard television. When we connected the camera feed to the second recorder we lost the picture.

Not being a CATV expert, I attempted to use an amplifier that a consumer would normally use to boost their cable or dish signal. We learned there are different type of amplifiers for a radio frequency (RF) signal (cable/satellite/antenna) and a camera/vcr/dvd signal.

This worked great for the camera signals. The amplifier allowed us to use splitters and attach to multiple devices.