The GSM Modem is actually a kind of equipment used for sending and receiving SMS. It needs a mobile phone SIM card to support just the same as we use cellphone. In the need to send Bulk SMS, put sim card into the device, link power and connect a pc through the USB cable. Then we can realize the function of the sending and receiving SMS by using the relevant computer management softwarewe.
4. Q: I’m a freshman to this device, is there any User Manual or Technician can help me when i first set up the device?
A: We have PDF User Manual for our device, and our technician is 24 hours on duty, they would help u to set device up, and install free software SMS Caster 3.6 for u. And teach u how to use it hand by hand. If u have any doubt about it, u can contact our