Electroline EDA-2400 4-Port Cable TV HDTV Signal Booster/Amplifier (Retail Package with 5-Year Warranty), Incl. 2 Terminators for unused ports Amplifies your cable TV signal to dramatically reduce snow, graininess, digital pixilation and other picture problems Fully compatible with all advanced cable TV services including Digital Cable, HDTV, and Cable Modems Waterproof housing and SCTE compliant 360 F-terminals Includes Terminators - Prevents static from unused ports 5-year manufacturer's warranty