LTE模组的常用AT命令案例

　　一些路由器/SD-WAN设备带4G/5G模组，在注册过程中经常会用到一些AT命令查询模组的注册信息。标准的AT命令应该参考3GPP 27.007标准，部分厂商的模组会有不同。

我们用comtool工具向模组发送指令，查询AT命令。

　　举例：comtool -e -d /dev/ttyUSB3 -c "AT+CGMI"

　　实际常用的AT命令如下

命令	解释	结果样例
ATI	查询模组信息	Recv< CMDC Recv< CMCC M11 Recv< Revision: CMCC M11011V0.0B01
AT+CGMR	模块软件版本	Recv< CMCC M11011V0.0B01
AT+CGSN	IMEI	Recv< 864268040008490
AT+CIMI	IMSI	Recv< 460047031703453
AT+CCID	CCID	Recv< +CCID: 89860450031980173453
AT+CFUN=0	关闭模组
AT+CFUN=1,1	打开模组
AT+IPR?	查询波特率	Recv< +IPR: 115200
测试准备
AT+CSQ	查询信号强度	Recv< +CSQ: 31,99 RSRQ信号强度 = -113dBm + (rssi * 2) -113+62=-51
AT+COPS?	查询服务商	Recv< +COPS: 0,0,"CHINA MOBILE",7
AT+CGMM	模块标识	Recv< CMCC M11
AT+CGMI	模块厂商标识	Recv< CMDC
AT+CPIN?	查询SIM卡	Recv< +CPIN: READY
AT+CREG?	查询注册状态	Recv< +CREG: 0,1 返回  1( 或  或  5) 表示数据业务可以使用；返回  2  、3  、4   表示数据业务不可用。
AT+QNWINFO	查询是否驻网	Recv< +QNWINFO: "TDD LTE","46000","LTE BAND 40",39292
AT+LOG=16,529
at+cgact?	查询是否激活	Recv< +CGACT: 1,0 Recv< +CGACT: 5,1 Recv< OK
at+cgact=?	查询是否激活	Recv< +CGACT: (0,1) Recv< OK
at+cgdcont=?	查询PDP设置	Recv< +CGDCONT: (1-15),"IP",, Recv< +CGDCONT: (1-15),"IPV6",, Recv< +CGDCONT: (1-15),"IPV4V6",, Recv< +CGDCONT: (1-15),"PPP",, Recv< OK
AT+CGDCONT?	查询当前PDP注册情况	Recv< +CGDCONT: 1,"IP","cmnet" Recv< +CGDCONT: 5,"IP","cmiotznrh.he","172.18.1.44" Recv< OK
AT+CGDCONT=5,"IP","cmiotznrh.he"	设置PDP	Recv< OK
at^sysinfo	查询信号	^SYSINFO:< srv_status>,<srv_domain>,<roam_status>,<sys_mode>,<sim_state>[,[<reserve>],<sys_submode>] 没注册上 ^SYSINFO:1,0,0,9,1 注册上  ^SYSINFO:2,3,0,17,1,7 5G Recv< ^SYSINFO: 2,2,0,12,1 https://www.docin.com/p-2172605102.html
at&v	显示当前设置	Send > at&v   Recv< &C: 1 Recv< &D: 2 Recv< &F: 0 Recv< &W: 0 Recv< E: 0 Recv< Q: 0 Recv< V: 1 Recv< X: 4 Recv< Z: 0 Recv< S0: 0 Recv< S3: 13 Recv< S4: 10 Recv< S5: 8 Recv< S6: 2 Recv< S7: 0 Recv< S8: 2 Recv< S10: 15 Recv< OK
at+copn	运营商操作员代码	Recv< +COPN: "46000","CHINA MOBILE" Recv< +COPN: "46001","CHN-UNICOM" Recv< +COPN: "46002","CHINA MOBILE" Recv< +COPN: "46011","CHN-CT" Recv< +COPN: "46004","CHINA MOBILE" Recv< +COPN: "46005","CHN-CT" Recv< +COPN: "46006","CHN-UNICOM" Recv< +COPN: "46007","CHINA MOBILE" Recv< +COPN: "46008","CHINA MOBILE" Recv< +COPN: "46009","CHN-UNICOM" Recv< +COPN: "46003","CHN-CT" Recv< +COPN: "46012","CHN-CT" Recv< +COPN: "46013","CHINA MOBILE" Recv< +COPN: "46030","CHN-UNICOM"
at+cgpaddr	显示PDP地址	Recv< +CGPADDR: 5,"172.18.1.44"
at+qgdcnt?	查询数据包计数	Recv< +QGDCNT: 6380112,244510
at+CGCONTRDP	查询PDP信息	Recv< +CGCONTRDP: 1,5,"CMNET","10.223.98.81.255.255.255.252","10.223.98.82","221.179.155.209","221.179.155.193","0.0.0.0","0.0.0.0" Recv< +CGCONTRDP: 1,5,"CMNET","36.9.137.0.14.80.202.23.0.1.0.1.73.55.31.218.255.255.255.255.255.255.255.255.0.0.0.0.0.0.0.0", "254.128.0.0.0.0.0.0.0.0.0.0.0.0.0.5","36.9.128.0.32.0.0.0.3.112.0.0.0.0.0.1", "36.9.128.0.32.0.0.0.2.112.0.0.0.0.0.1","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0" Recv< +CGCONTRDP: 2,6,"ims","36.9.129.0.14.112.182.156.0.1.0.1.73.55.35.45.255.255.255.255.255.255.255.255.0.0.0.0.0.0.0.0", "254.128.0.0.0.0.0.0.0.0.0.0.0.0.0.5","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0", "0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0","36.9.128.0.80.2.50.5.0.2.0.0.0.0.0.0","36.9.128.0.80.2.34.9.0.2.0.0.0.0.0.0"
at+gtccinfo?	查询5G信息	Recv< +GTCCINFO: Recv< NR service cell: Recv< 1,9,460,00,200038,F4262003,7B49E,171,5041,100,47,75,75,59