2-Port Bi-Directional Cable TV HDTV Amplifier Splitter Signal Booster with Passive Return Path 2 Ports with a +11dB boost per port, boosts your signal strength 12x. Ultra small form factor for ease of installation in confined spaces Reduces snow and prevents image pixelation with digital cable. Coaxial cables not included. Compatible with all standard and digital Cable TV services 5-year warranty when purchased from an Authorized PCT Distributor/Dealer. Warranty not valid when purchased through other outlets.