Robustel GoRugged M1000 MP User Guide
RT_UG_M1000 MP_v.2.0.0 Aug. 11, 2017 22/44
Confidential
3.1.2
AT Command Examples
Following are some examples of the AT commands. For more detailed description, please refer to the AT command
guide for the module.
Description
AT Commands
Modem Response
Comments
Modem confirm
AT
OK
Responding OK indicates that the
modem is ready.
Receiving signal
strength
AT+CSQ
+CSQ: 19,99
The first parameter is at least greater
than or equal to 15 to ensure normal
communication.
Query current PIN
status
AT+CPIN?
+CPIN: READY
The SIM card is correctly inserted and
the modem needs no password.
+CPIN: SIM PIN
PIN is required.
+CPIN: SIM PUK
PUK is required.
Save parameters to
non-volatile memory
AT&W
OK
The configuring and modifying are
saved.
3.2
Using Short Message Service
Cellular technology offers the benefit of using SMS (short message service) as an easy way to communicate over the
mobile network. The following topics are covered in this chapter:
1.
Sending a Short Message
2.
Reading a Short Message
3.
Deleting a Short Message
3.2.1
Sending a Short Message
1.
Type
AT+CMGF=1
and press
Enter
.
2.
Type
AT+CMGS=“<
phone number
>”
and press
Enter.
The terminal will automatically move to the next line,
which starts with a “>”. Type your message on the right of the “>”.
3.
Enter
Ctrl + Z
to
deliver the message.
