Cisco AT&T DPH153-AT 3G Microcell Wireless Cell Signal Booster Tower Antenna (4g Compatible) Enhanced indoor coverage: Supports both voice and data up to 5000 square feet Simple setup process using quick setup guide - Note that you must have an official AT&T account (not a 3rd-party carrier or pre-paid) Supports voice and 3G data for 3G/4G/LTE mobile phones, including iPhone, Android, Windows Phone, Blackberry, etc. Works at home or the office (broadband internet connection via Ethernet is required) Note that satellite internet connections often have too much delay for this device to work properly Supports up to ten voice or data users simultaneously