What is GSM modem?
It is an external modem device which can use for wireless communication. As it is using the mobile network for communication, you need to insert a SIM card into the modem. Each model of our GSM modem will have two interfaces for you to choose, either serial com port (RS232) or USB interface.
You can use the serial com port(RS232) or USB interface to get connect with you PC or server to achieve the communication goal. Single PC or Server can connect up to 24 GSM modems with PCI com port interface card. For easy management of GSM modems, GSM Modem Pool is recommended to use.
GSM modem can be programmed by “AT command”. It is very useful for mobile voice, Fax, and CSD data, SMS communication.
Basic usage of GSM modem:
- Send and Receive SMS
- Voice communication
- Getting Caller ID
- Fax Data communication
- CSD Data Communication
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