... 3)Display 128x64 dot matrix LCD back light 4)Communication GPRS/MODEM VSDS Terminal PS100N Processor 32 bits ARM RISC CPU 60MHzMemory ... 57mm / paper roll Ø50mmInterface 2 RS232, 1 Ethernet, 1 I2C, 1 SIMSAM 3 SAMS (compliance with ISO7816), Async / SyncPower AC100~240V ... 57mm / paper roll Ø50mm Interface 2 RS232, 1 Ethernet, 1 I2C, 1 SIMSAM 3 SAMS (compliance with ISO7816), Async / SyncPower AC100~240V ...