TheSignalBoost^TM Desk Top Home/Office Cellular Amplifier Kit improves cellular signal inside of your home, office, or any indoor area for every U.S. cellular provider (except iDEN/Nextel). The Desk Top Amplifier provides a small, wireless coverage area of boosted cellular signal for multiple cell phones or cellular data cards simultaneously. This state-of-the-art cellular amplifier is up to 10 times more powerful than your cell phone, greatly reduces dropped calls, and improves the battery life of your cell phone. Not only does the SignalBoost^TM DT Cellular Amplifier provide a stronger signal for any cell phone or cellular-based data card, but it is also compatible with all of the latest 3G data technologies such as HSDPA, EDGE, and EVDO. The SignalBoostTM DT Cellular Amplifier Kit is plug-and-play; everything that you need is in the box including a 20' & 30' length of RG6 coax, three different mounting options for the external antenna, the Desk Top amplifier complete with an internal antenna, and an AC Power Supply!