... MHz With TCP/IP stack 32 SIM card slots USB 32-PORT GSM/GPRS MODEM POOL Product DescriptionUSB interface Based Wavecom ... GSM Phase2+ standardSMS, MMS, data, voice, internet serviceSupport Win8/ 7/Vista/XP/2K(64&32bit)/Linux/MacSIM application toolkitMaximum transmitting ... 5600 MMS per hourSize: 400*125*130mmWeight: 10kgAccessories: 1 USB cable , 1 power cable, 16 antennas, CDSpecification for dataGPRS ...