2-Port Bi-Directional Cable TV HDTV Amplifier Splitter Signal Booster 2 Ports with a +11dB boost per port, boosts your signal strength 12x. Standard form factor fits most enclosures and installation 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.