O Improves Voice And Data Signal Quality ;o Improves Data Communication Rates Needed For 3g Technologies ;o Power Control Logic Ensures Maximum Output Power Is Within Cellular Network St;o Automatic Gain Control;o Automatic Shutdown On Overload. ;o Advanced Electronics Receive And Transmit Better Than A Cell Phone Or Cellular;o Connects Directly To A Cell Phone Or Cellular Data Card With A Wilson Antenna ;o Mobile, Marine And In-building Use ;o Dc Power Supply Included - Ac Power Supply Sold Separately;o Greatly Reduces Disconnects, Drop Outs, And Noise;o Transmits Signal Energy To The Outside Antenna;o Fcc And Ic Type Accepted