... digital backlight keypad, soft keys, support handwrite input(6) Standard Communication:USB1.1 Host and client,RS232 (7) Standard Battery:3 ... IEEEE802.11b/g, 11Mb/s~54Mb/s)(9) GSM/GPRS communication module (900/1800/1900MHz)(10) Information collection: Stylus,Input board ... RFID module supporting ISO18000-6C (EPC C1G2) and ISO18000-6B protocol(17) Laser Light Security standard: IEC 825(18) Certification: ...