Specifications

5.5 Basic operations
Followings are examples of some AT commands. Please refer to the AT command document for a full
description.
Description
AT commands Modem response
Comments
Network
registration
checking
AT+CREG? +CREG: 0,1 Modem registered to the network
Receiving signal
strength
AT+CSQ +CSQ: 20,0
The first parameter has to be at least
15 for normal communication
Check identity of
PRL loaded
AT+WPRL?
+WPRL: 65535
+WPRL: 50568
+WPRL: 57003
65535 represents GENERIC version
50568 represents SPRINT version
57003 represents VERIZON version
Check ESN &
MEID
AT+CGSN
+CGSN: A10000094119D8,
808FFD36
MEID: A1000094119D8
ESN: 808FFD36
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