一些路由器/SD-WAN設備帶4G/5G模組，在注冊過程中經常會用到一些AT命令查詢模組的注冊信息。標准的AT命令應該參考3GPP 27.007標准，部分廠商的模組會有不同。
我們用comtool工具向模組發送指令，查詢AT命令。
舉例：comtool -e -d /dev/ttyUSB3 -c "AT+CGMI"
實際常用的AT命令如下
| 命令 |
解釋 |
結果樣例 |
| ATI |
查詢模組信息 |
Recv< CMDC Recv< CMCC M11 Recv< Revision: CMCC M11011V0.0B01 |
| AT+CGMR |
模塊軟件版本 |
Recv< CMCC M11011V0.0B01 |
| AT+CGSN |
IMEI |
Recv< 864268040008490 |
| AT+CIMI |
IMSI |
Recv< 460047031703453 |
| AT+CCID |
CCID |
Recv< +CCID: 89860450031980173453 |
| AT+CFUN=0 |
關閉模組 |
|
| AT+CFUN=1,1 |
打開模組 |
|
| AT+IPR? |
查詢波特率 |
Recv< +IPR: 115200 |
| 測試准備 |
|
|
| AT+CSQ |
查詢信號強度 |
Recv< +CSQ: 31,99 RSRQ信號強度 = -113dBm + (rssi * 2) -113+62=-51 |
| AT+COPS? |
查詢服務商 |
Recv< +COPS: 0,0,"CHINA MOBILE",7 |
| AT+CGMM |
模塊標識 |
Recv< CMCC M11 |
| AT+CGMI |
模塊廠商標識 |
Recv< CMDC |
| AT+CPIN? |
查詢SIM卡 |
Recv< +CPIN: READY |
| AT+CREG? |
查詢注冊狀態 |
Recv< +CREG: 0,1 返回 1( 或 或 5) 表示數據業務可以使用；返回 2 、3 、4 表示數據業務不可用。 |
| AT+QNWINFO |
查詢是否駐網 |
Recv< +QNWINFO: "TDD LTE","46000","LTE BAND 40",39292 |
| AT+LOG=16,529 |
|
|
| at+cgact? |
查詢是否激活 |
Recv< +CGACT: 1,0 Recv< +CGACT: 5,1 Recv< OK |
| at+cgact=? |
查詢是否激活 |
Recv< +CGACT: (0,1) Recv< OK |
| at+cgdcont=? |
查詢PDP設置 |
Recv< +CGDCONT: (1-15),"IP",, Recv< +CGDCONT: (1-15),"IPV6",, Recv< +CGDCONT: (1-15),"IPV4V6",, Recv< +CGDCONT: (1-15),"PPP",, Recv< OK |
| AT+CGDCONT? |
查詢當前PDP注冊情況 |
Recv< +CGDCONT: 1,"IP","cmnet" Recv< +CGDCONT: 5,"IP","cmiotznrh.he","172.18.1.44" Recv< OK |
| AT+CGDCONT=5,"IP","cmiotznrh.he" |
設置PDP |
Recv< OK |
| at^sysinfo |
查詢信號 |
^SYSINFO:< srv_status>,<srv_domain>,<roam_status>,<sys_mode>,<sim_state>[,[<reserve>],<sys_submode>] 沒注冊上 ^SYSINFO:1,0,0,9,1 注冊上 ^SYSINFO:2,3,0,17,1,7 5G Recv< ^SYSINFO: 2,2,0,12,1 |
| at&v |
顯示當前設置 |
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 |
運營商操作員代碼 |
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 |
顯示PDP地址 |
Recv< +CGPADDR: 5,"172.18.1.44" |
| at+qgdcnt? |
查詢數據包計數 |
Recv< +QGDCNT: 6380112,244510 |
| at+CGCONTRDP |
查詢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? |
查詢5G信息 |
Recv< +GTCCINFO: Recv< NR service cell: Recv< 1,9,460,00,200038,F4262003,7B49E,171,5041,100,47,75,75,59 |
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