Positron GPRS POS    EMV Certified  PCI PED Certified  Modular Communication Options:  - GSM/GPRS: 900/1800/1900 MHz  - CDMA: IS-2000 1XMC RTT 800 MHz  - Ethernet  - Wi-Fi   Large LCD: 240 x 160  High capacity 2350 mAh Li-ion Battery  Fast thermal printer  16 MB NOR Flash  16 MB SDRAM