RS232 GSM/GPRS Modem Pool

GSM/GPRS: 900/1800 or 850/1900 or 850/900/1800/1900MHz
8 x SIM card(big/small) slots
Wireless access to internet
Comply with GSM Phase2 standard
Send and receive SMS, MMS, e-mail and data
Maximum transmitting speed 115KBps
Input voltage: 100 to 240V
Working temperature: -20 to +60 degrees Celsius
Storage temperature: -25 to +70 degrees Celsius
Double tone multi-frequency function(DTMF)
Send maximum 4800 SMS or 3200 MMS per hour
Size: 230 x 125 x 110mm
Weight: 2kg
Accessories: 1 x power cable, 1x power resources,USB2.0