Lintratek LTK703: 2G & 3G (GSM, WCDMA) Mobile Signal Booster is a low power dual bandmobile signal boosterCompatible with Airtel, Vodafone, Idea, Tata, BSNL, MTNL, Reliance,
Telenor, MTS & Aircel.Works with all Cellular devices: Smartphones, Tablets, Data cards.Range up to 2600 sq. ft.