1. Ensure that the SIM card is plugged in the GSM modem. When the unit is successfully connected with the cell network, the LED next to the SIM slot will change from a "solid red" to a "blinking" state.
2. Run the HyperTerminal application. The application is usually found under the Start-> Programs -> Accessories -> Communications.
3. Setup the Connection name below.
   
4. Setup the port the Wavecom GSM Modem is connected.
   
5. Setup the connection speed (baud) of the Wavecom GSM Modem.
   
6. Type the "AT" command. The Wavecom GSM Modem will respond with "OK". If you don't get the "OK" respond, go back and review Steps 4 and 5.

Send SMS Message Operation

1. Type the command AT+CMGS=[MOBILE #] e.g AT+CMGS=8168476.
2. The Wavecom GSM Modem will respond with ">". Type in the message you want to transmit. At the end of the message, type "CTRL-Z" and the message will be transmitted.
   

Receive SMS Message Operation

1. Type the command "+CMTI: "SM",1". The command indicates receipt of incoming SMS to location index "1".
2. Type the command "AT+CMGL="ALL"" to show all SMS messages.
   

Read SMS Message Operation

1. Type the command "AT+CMGR=1" to read the message at location index "1".
   

Delete SMS Message Operation

1. Type the command "AT+CMGD=1" to delete the SMS message at location index "1".
2. Type the command "AT+CMGL="ALL" to confirm the SMS message was deleted.