Robustel GoRugged M1000 UP User Guide
RT_UG_M1000 UP_v.1.1.1
07.10.2015
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3.3.3
Deleting a Short Message
Type
AT+CMGD=
x,n
and then press
Enter
.
This is where
x
represents one of the following options:
“REC UNREAD”
Shows received unread messages.
“REC READ”
Shows received read messages.
“STO UNSENT”
Shows stored unsent messages.
“STO SENT”
Shows stored sent messages.
“ALL”
Shows messages.
This is where
n
represents one of the following options:
0
Delete message at location <include the index number>
1
Delete all READ messages.
2
Delete all READ and SENT messages.
3
Delete all READ, SENT, and UNSENT messages.
4
Delete ALL messages. “REC UNREAD” Shows received unread messages.
Note
: Refer to the Documentation and Software CD / AT_Commands / AT_Commands.pdf for further detail
commands information using SMS.
3.4
Cellular Network Connection
3.4.1
Overview
A cellular network is a wireless network distributed over land areas called cells, each served by at least one
fixed-location transceiver, known as a cell site or base station. We can use our mobile phones or PCs to connect to
cellular network basing on 2G (GPRS/EDGE)/3G (HSPA/EV-DO)/4G (LTE) technology.
M1000 UP offers state-of-the-art 2G (GPRS/EDGE)/3G (HSPA/EV-DO)/
4G (LTE)
connectivity for machine to machine
(M2M) applications, it can provide cellular network connection for end-user devices such as PCs, embedded
computers, and PLCs that are PPP-enabled and can be easily connected to the cellular network and the Internet.
Cellular Network:
2G/3G/4G
PPP Enabled PLC
Center
M1000 UP
