All in one touch POS terminal It supports GPRS/CDMA, LAN, Wifi, dial up ... contactless). It builds in 3DES & RSA Algorithm, M/S & DUKPT Key Management to enhance security. Besides ... standard POS functions, the M3000 features GPRS/GSM, CDMA, LAN, Wifi and Modem networking capability. Also, ... , bidirectional swipeCommunication: GSM/GPRS module,900/1800MHz (CDMA, WIFI, dial-up modem optional)3xPSAM slot, ...