weBoost Home 3G Certified Refurbished Signal Boosters (Connect 3G Certified Refurbished) - 1 Year Manufacturer Warranty PERFECT FOR MID-SIZED HOMES: weBoost's top 3G home booster. BOOSTS CELL SIGNALS UP TO 32X: Enhances 3G and voice signals for buildings up to 5,000 sq ft. BETTER VOICE AND DATA: Get fewer dropped calls, better voice quality, faster uploads and downloads. COMPATIBLE WITH ALL US NETWORKS: Works on Verizon, AT&T, Sprint*, T-Mobile, US Cellular, Straight Talk and more. *weBoost boosters do not support a particular frequency used by some parts of the Sprint network. Most Sprint customers still see performance improvement from our boosters. WORKS WITH ALL CELLULAR DEVICES: Smartphones, Tablets, Data Cards, and Notebooks PERFORMANCE GUARANTEED: Manufacturer 2-year warranty and 30-day money-back guarantee; PERFORMANCE IS BASED ON OUTSIDE SIGNAL STRENGTH