Quectel Basic AT

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Excute Feedback Read Feedback Write Feedback Test Feedback Description
- - AT+CPIN? +CPIN: READY - - - - -
AT+CSQ +CSQ: 26,0 - - - - - - -
AT+CIMI 460001357924680 - - - - - - 检查SIM卡是否读卡成功。
AT+CGMM For BC20 and BC26: BC26_V1.2 - - - - - - -
AT+CGMR BC20NAR01A06 - - - - - - -
AT+QCCID +QCCID: 89860446091891193387 - - - - - - -
- - AT+CGATT? +CGATT: 1 - - - - -
AT+CESQ +CESQ: 12,0,255,255,28,37 - - - - - - -
- - AT+QBAND? +QBAND: 1,3,5,8,20 - - - - -
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  • AT+CMEE=1 // Report UE Error
  • ATE1 //Set Command Echo Mode 设置命令回显,就是你发送的指令内容会在串口助手中显示出来
  • ATI //查看软件版本号
  • AT+CGSN=1 // 查看IMEI号(International Mobile station Equipment Identity) 产品序列号 // +CGSN: 866971030547330


  • AT+CESQ //查看信号强度,刚上电入网的时候一般获取信号会比较慢,可以不断的发送这个指令,实时刷新最新的信号状态,大概等30s左右或者更久一点(就像手机刚开机时获取网络信号一样)就能连上网络了。 // +CESQ: 43,99,255,255,30,69 //第一个数为43说明接收信号强度还不错
  • AT+QSPCHSC? //查看置乱算法返回值 // +QSPCHSC: 1 //返回1可以入网,返回0的话是入不了网的,需要AT+QSPCHSC=1指令设置成1


  • AT+QSCLK?
  • +QSCLK: 1
  • AT+CFUN=0
  • OK
  • AT+CSCON?
  • +CSCON: 0,0