Specifications

Integra M2106+
Using the Integra Wireless CPU
®
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This document is the sole and exclusive property of Wavecom. Not to be distributed or divulged without prior written
agreement.
WA_DEV_M2106+_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.