DESC: WILSON - Mini Magnet Dual-Band (800/1900 MHz) 4.5" Antenna including 10' coax / W-301113 The Wilson Dual-Band Mini Magnet Cellular Antenna is the most advanced cellular antenna of its kind. Few things are as frustrating or dangerous as trying to reconnect a dropped call while driving. The Mini Mag. dramatically reduces or completely eliminates cellphone disconnections and noise.Inside of an automobile a phone with the Mini Mag. can transmit and receive over ten times the signal of a phone without one.In addition to dropout and noise reduction, the Mini Mag. eliminates microwave energy radiating into the head. This is achieved by channeling all of the energy out through the external antenna.Significantly Increases Your Cellphone's Range on Send&ReceiveHelps Eliminate the Dreaded "Dead Zones"Transfers All Microwave Energy from Your Cellphone to the Outside AntennaEliminates All Microwave Energy Radiating into the HeadInstalls in Minutes Without ToolsNo Power RequiredWorks on all Cell