User guide

BASIC OPERATIONS
6 6.4% to 12.8%
7 More than 12.8%
99 Not known or not detectable
Note: Signal strength of 10 or higher is needed for successful packet data sessions.
Example
A example response to AT+CSQ:
+CSQ: 15,1
Checking Network Registration
Before establishing a packet data connection, verify the is device registered on the network. To do this enter the
network registration report read command:
AT+CREG?
If the device returns:
+CREG: 0,1
The device is registered.
If the device returns:
+CREG: 0,2
The device is in a network searching state.
Checking Network Registration for EV2 and C2
To verify that a device is registered on the network, enter:
AT!STATUS
The device returns several lines of modem status information. The second to last line indicates either:
Modem has registered.
or
Modem has NOT registered.
Connecting to the Internet
To access the Internet, establish a dial-up connection.
Note: For HSPA+, EDGE, and GPRS devices, setup your device's Access Point Number before creating the dial-
up connections.
44 MultiModem
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iCell MTCMR User Guide