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Integra M2106+
Using the Integra Wireless CPU
®
©Confidential
Page: 66 / 77
This document is the sole and exclusive property of Wavecom. Not to be distributed or divulged without prior written
agreement.
WA_DE_PTS_003-001
April, 2007
Example of set of AT commands, which can be used for quickly getting started with the Integra Wireless
CPU
®
:
•
AT+CGMI
: Wireless CPU
®
response is “WAVECOM MODEM” when serial link is OK.
•
AT+CPIN=<Pin Code>:
enter a PIN code (if activated).
•
AT+CSQ
: to check received signal strength.
•
AT+CREG?
: to check the registration of the Wireless CPU
®
on the network.
•
ATD<phone number>;
- to initiate a call.
•
ATH
: to hang up (end of call).
For further information on these AT commands and their associated parameters, refer to the AT commands
Interface Guide documentation [7].
6.5.3.2
Checking Received Signal Strength
The Integra Wireless CPU
®
establishes a call only if the received signal is sufficiently strong.
To check received signal strength:
•
Enter the command AT+CSQ by using communication software such as the HyperTerminal program.
The value appears for the received signal strength.
•
Check the result by comparing it with the values listed in the table below.
Received signal strength values
Received signal strength value
(AT+CSQ response)
(RSSI)
Interpretation of
received signal strength
0 - 10
Insufficient*
11 - 31
Sufficient*
Greater than 99
Insufficient*
* Based on general observations.