16 Port Passive Video Balun Transceiver that can be used as either a Transmitter or Receiver with adjustable controls for each Channel. This unit is rackmountable in a 1U space and does not require power. You can transmit security camera video for 16 Channels up to 1,000ft using any passive balun transceiver. Remember the great thing about video baluns is that you can use CAT5/6 cabling which is cheaper than coax to transmit video. Just make sure you have power near the cameras to power the cameras themselves..