With the SureCall? CM2000 Amplifier doing all the long-range work,the battery on your cellphone drains slower, thereby increasing talk timeWith proper use of the SureCall? CM2000,dangerous hot spots are removed a safe distance from the user?s bodyThe SureCall? CM2000 supports cellphones operating in either the PCS or Cellular frequency ranges,and comes with all the accessories needed for home,office,or vehicle useThe SureCall? CM2000 is designed to boost a single user with maximum powerExtends Cellphone Battery LifeConnect directly to a cell phone or cellular data card providing improved signalUse the Direct-Connect in your car,boat,RV,home or officeComplete package for ATM and modem userPackage with Amplifier,Antenna,Connector,Power Supply EtcGreatly Reduces Dropped Calls, disconnects, drop outs Improves Voice Quality3 Watts Boosting Power for Affordable PriceDual Band Direct-Connect Cellular Amplifier Kit For PCS and Cellular BandsB