... design,built in thermal printer,operates via GSM/GPRS network GSM/GPRS wireless telephone pos,user-friendly designSpecification:CPU32 bit ARM7 ... dot matrix yellow-green backlit LCD displayKeypad26 keys: 12 telephone keys, 4 direction keys, 10 function keysMagnetic card ... per secondCommunicationsGPRS wireless module, support GPRS/USSD1 GSM SIM card slot, support GSM 850/900/1800/1900MHZPort: 1 RJ- ...