... USB 1.1 host (USB host , USB HID , USB-RS232 converter )Technical SpecificationsProcessorSamsung S3C2440 , 400MHZ ARM920T 32 bit RISC AMBA ... 1 , Host / Device ( USB keyboard , Usb disk , USB-RS232 converter etc. ) GSM/GPRS ModuleSIMCOM 900 Quad Band (850/900 ... /1800/1900)GPS Standard20 channels, High-sensitivity GPS module , built-in antennaSirf GPS chipsetAV inSupport USB Camera inputBlueToothHands ...