A-12 Active 16-CH Video Balun Transmission distance up to 2000ft / 600m working with passive transceivers Transmission distance up to 4000ft / 1200m, working with active transmitter Supports all bandbase signals including PAL, NTSC, SECAM. Signal Transmission via UTP Cable. Transmission Signal 1Vpp Composite Video. 8 Channel Active Receiver Hub in 1U Rack Mounting Panel.