1)wifi, bluetooth,printer 2)optional gps, gprs,barcode scanner, rfid,camera 3)4000mah battery 4)SDK,Sourcecode free SPECShandheld ... - 95% (non-condensing)1.5 m drop onto concreteDevelopment environment Software DevelopmentWindows Mobile SDKProgramming EnvironmentMicrosoft® Visual Studio® 2005 support NET CF ...