GPRS/SMS modem

GSM GPRS/SMS ModemGSM GPRS/SMS Modem (WT-211)

This is a wireless modem that works with a GSM wireless network. Working Frequency at 900/1800Mhz or 850/1900Mhz. Use AT commands to control modems, WT-211 support a common set of standard AT commands. You can use WT-211 like a dial up modem. Beside the standard AT commands, GSM modems support an extended set of AT comments like reading, write, and deleting and sending sms messages. WT-211 also can use as the GPRS modem for data transmission