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Operation Manual

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Picture 33：Show module information and SIM Status
Warning：SIM Card shows “Ready” indicate SIM status is normal, if it shows other, it
means unmoral, please make sure your SIM is whether or not valid, or has pin.
4.5 How to set airplane mode
A. Type ATCommad“AT+CFUN=4”, enter into airpalne mode. （at+cfun=1 is normal
mode；at+cfun=0 turn off RF, SIM card cannot register ；default is equal 1；at+cfun？
shows current status）
Picture 34 ：Setting airplane mode