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GSM Module
value
Example
AT+ZBAND=1
+ZBAND:LOCK SUCCESS
OK
AT+ZSGBAND?
+ZBAND:1
OK
AT+ZBAND=?
+ZBAND:(0-2),0:auto,1:gsm900,2:dcs1800
OK
2.16.4
+ZOPT: lock network operator
Lock GSM/GPRS network operator: China Mobile, China
Unicom, etc.
Descriptio
n
AT+ ZOPT =<opt>
+ZOPT:<state>
OK
ERROR
AT+ ZOPT =?
+ ZOPT: <opt list>
OK
Setting succeeded
Failed
Test
Format
<opt>
0 Auto
1 China Mobile
2 China Unicom
<state> current network status
Paramete
rs
Descriptio
ns of
returned
value
OK Succeeded
ERROR Failed
AT+ZOPT=1
+ NET STATE: 0
OK
AT+ZOPT=?
+OPT:(0-2),0:AUTO,1:China Mobile,2:China Unicom
OK
Example
2.16.5
+ZCALIST: read carrier wave list
Descriptio
当
BCCH
锁定后,读取的是当前锁定
BCCH
的载波数,当
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