STOP DROPPED CALLS: Boost 4G LTE and 3G cell phone signals in your home and office. Use for peace of mind while on important business calls and while speaking to loved ones. With a signal boosting range of up to 1500 sq. ft. this device extends your existing cellphone coverage in one to two rooms. The booster simply amplifies your existing signal to give you more bars and maintain fast data speeds while you browse the internet or talk on the phone. WORKS WITH ALL U. S. CARRIERS: Verizon, AT&T, Sprint*, T-Mobile, Straight Talk, U.S. Cellular and many more. The Home 4G will work to improve your existing connection across multiple devices simultaneously. *Government regulations in the U.S. prohibit boosting a particular frequency used by some of the Sprint network. Most Sprint customers still see performance improvement from weBoost signal boosters. FRUSTRATION FREE SET UP: The simple instructions and DIY installation make it easy to get your new booster set up and working quickly. All of the components you need for installation are included in the package with easy to read, step-by-step instructions. Some users report being able to set up the entire kit in as little as 10 minutes.