Additional Details

GSM and GPRS modems are useful in forming a wireless access point which connects a personal computer to the Internet. Our modem is a low cost wireless Modem that can be interfaced to a PC or any equipment, which has a serial port, for sending and receiving SMS and also GPRS. This Modem also comes with a WSM PC DEMO Software and is very useful as the jobs and business deals require people to move from one place to another.
The features of this modem are: 

    Internet, Data, SMS, Voice (Optional Fax, TCP/IP, Services)
    90-250 VAC or 9-15 VDC
    WSM-4001A- Serial Based
    WSM-4001B: USB Version
    Flashing LED to indicate Network connection
    Dual Band 900 & 1800 MHz