锁频指令
查询当前频段命令:AT+SPLBAND=0
锁b1:
AT+SPLBAND=1,0,0,0,1,0
锁b3:
AT+SPLBAND=1,0,0,0,4,0
锁b5:
AT+SPLBAND=1,0,0,0,16,0
锁b8:
AT+SPLBAND=1,0,0,0,128,0
锁b1-b5:
AT+SPLBAND=1,0,0,0,21,0
锁b1-b8:
AT+SPLBAND=1,0,0,0,149,0
改串指令
查询当前IMEI:
AT+SPIMEI?
修改IMEI:
AT+SPIMEI=0,"串号"
例如修改卡槽0的串号为123456,则指令为AT+SPIMEI=0,”123456″
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