The 4G LTE signal booster is specifically designed to pick up such weak signals as 1 bar outside and transform it into steady and solid 5 bars in every corner of the covered area. This beast will not only enhance your voice clarity but will also amplify the data signal, so your internet works great and without dead zones. It operates within the 800 and 1800MHz network frequencies. It has network coverage of 1-2 rooms meaning it is suitable for small offices and apartments. The best part is that it works with a range of networks and major operators in the UK like Vodafone, Tesco Mobile, O2, GiffGaff, EE, T-Mobile, TalkTalk, Three, Orange and BT so you don't have to fret when you switch between mobile operators. The 4G signal booster combines top-notch technology to boost your network.