This listing for 

4CH HD Video Passive Balun Transceiver

Features

• 4CH HD-Video Passive Balun

  * No Power Required
  * Compatible with HDTVI / AHD / HDCVI / 960H
  * Transmission Distance: 720P up to 1,312ft (440m) / 1080P up to 721ft (220m)
  * Built‐in TVS (Transient Voltage Suppressors) for surge protection
  * Wave Filter Design, Anti-Static Design, Surge / Lightning Protection
  * 60dB Crosstalk & Noise Rejection