8 Port Rotation Sim Bulk Sms Modem

We are offering 8port rotation sim bulk sms modem. Description: gsm modem pool 8 ports 32sims , model no.: mt1832 (it has 8 ports, each ports has 4 sim card slot, totally 8 ports 32sims, rs232 usb type optional) is a newly developed gsmgprs modem pool solution which can automatically realize sim rotation when do bulk sms sending, it can effectively lower the sim block by carriers, and improve the sms sending efficiency. You can preset the sim rotation rule through hyper terminal of pc by at command, then the device will automatically do sim rotation according to the rule. Specifications: 1, gsm modem pool 8 ports 32 sims slot; 2, gsm 90018008501900mhz quad band (quectel m35 module employed); 3,automatically sim rotation; 4,imei changeable through hyper terminal of pc; 5,rs232 usb optional 6,at command support 7.quad band main features: 1,can support 8 channels simultaneously; 2,can insert 32 sim cards(each port 4 sim cards) 3,connect with the computer through rs232 data cable and pci card pre-installed in pci slot in pc (for rs232 type) usb line for usb type. 4,each channel with separate power switch, 5,each channel can be demolished separately. 6,comply with gsm phase 2 standard. 7,rs232usb interface (optional) 8,can send and receive sms in bulk 9, industrial chassis, elegant appearance design. 10, support windows xp, windows7, linux, unix os etc.