Siemens – 6NH9720-3AA01-0XX0

– – spare part – – modem MD720; GSM/GPRS, 2G mobile radio modem with RS-232 interface; for GSM services CSD, GPRS, SMS; quadband GSM; AT command interface; Observe national approvals! automatic GPRS connection setup; including gender changer for RS-232/PPI adapter.