Electroline EDA2100 Bi-Directional Signal Booster 1-Port Cable Modem TV HDTV Amplifier with Passive Return (Retail Package with 5-Year Warranty) Signal booster drop amp: 1 ports with a +15dB boost per port, boosts your signal strength 32X Protection: 6 KV surge protection on all outputs Expected results: will improve HDTV reception Ultra small form factor for ease of installation in confined spaces Reduces snow and prevents image pixelation with digital cable