This product byDigiwave® is a 1-port amplifier. One port amplifiers are the easiest to install, and are best suited for connecting to your incoming cable line before you start splitting off the line to go to multiple TVs. The ANT1038 is generally the best for use in existing installations, since it is easy to use, with a single cable connection in and out. Ideal for Off-Air & Digital Signal Pre-Amplification Low Noise Figure: 3 dB High Return Loss (20 dB) Surge Protected (IEE C62.41-1991, All Ports) 100 dB RFI Shielding L. E.D. Power Indicator Digiwave HDTV Amplifier
