# 测试
AT - 测试AT指令功能是否正常
AT+CLAC -列出所有可用的 AT 命令
AT+QCFG=? -配置菜单（bip设置）
# 模块相关
ATI - 查询模块信息
AT+CGMI - 查询模块制造商标识
AT+CGMM - 查询模块型号
AT+CGMR - 查询模块固件版本号
# 网络相关
AT+QCCID - 查询集成电路卡识别码（ICCID）
AT+GSN / AT+CGSN - 查询国际移动设备识别码（IMEI）
AT+CNUM - 查询手机号
AT+CPIN? - 查询SIM卡是否正常，返回ready则表示SIM卡正常
AT+COPS? - 查询当前注册的网络运营商
AT+CSQ - 查询模组的信号强度，第一个值为0-31则正常(99为无信号），数值越大表明信号质量越好（但是前提必须限定在0-31内）
AT+CGATT? - 查询是否成功注册网络，直到收到 +CGATT: 1；
AT+CREG? / AT+CGREG? - 查询模组是否注册上GSM网络，+CREG:0,1 表示已注册上本地网，+CREG:0,5表示注册上漫游网。
# 配置与激活PDP上下文
AT+CGDCONT=1,"IP","CMNET" - 配置PDP上下文参数（APN） 移动 CMNET，联通 UNINET
AT+CGACT=1,1 - 激活PDP
AT+CGPADDR=1 - 显示PDP地址
AT+QIOPEN=1,0,"TCP","134.175.123.194",6501,0,0 - 建立TCP连接
AT+QICLOSE=0 - 关闭连接
[2025-09-17 15:51:16.784]# SEND ASCII> ATI [2025-09-17 15:51:16.833]# RECV ASCII> Quectel EC800MCN_LE Revision: LTE01R06A16_C_SDK_A OK [2025-09-17 15:51:30.546]# SEND ASCII> AT+QCCID [2025-09-17 15:51:30.593]# RECV ASCII> +QCCID: 89852019925050205256 OK [2025-09-17 15:51:36.279]# SEND ASCII> AT+GSN [2025-09-17 15:51:36.328]# RECV ASCII> 864461073429440 OK [2025-09-17 15:51:41.081]# SEND ASCII> AT+CNUM [2025-09-17 15:51:41.129]# RECV ASCII> +CNUM: "","+853688393585725",145 OK [2025-09-17 15:51:47.656]# SEND ASCII> AT+CPIN? [2025-09-17 15:51:47.704]# RECV ASCII> +CPIN: READY OK [2025-09-17 15:51:53.648]# SEND ASCII> AT+COPS? [2025-09-17 15:51:53.712]# RECV ASCII> +COPS: 0,2,"46000",7 OK [2025-09-17 15:51:59.858]# SEND ASCII> AT+CSQ [2025-09-17 15:51:59.905]# RECV ASCII> +CSQ: 29,99 OK [2025-09-17 15:52:05.961]# SEND ASCII> AT+CGATT? [2025-09-17 15:52:06.009]# RECV ASCII> +CGATT: 1 OK [2025-09-17 15:52:11.137]# SEND ASCII> AT+CREG? [2025-09-17 15:52:11.186]# RECV ASCII> +CREG: 0,1 OK [2025-09-17 15:52:20.417]# SEND ASCII> AT+CGDCONT=1,"IP","CMNET" [2025-09-17 15:52:20.716]# RECV ASCII> OK [2025-09-17 15:52:25.433]# SEND ASCII> AT+CGACT=1,1 [2025-09-17 15:52:25.565]# RECV ASCII> +CME ERROR: 133 [2025-09-17 15:52:30.664]# SEND ASCII> AT+CGPADDR=1 [2025-09-17 15:52:30.714]# RECV ASCII> +CGPADDR: 1,"10.115.74.129" OK [2025-09-17 15:52:36.689]# SEND ASCII> AT+QIOPEN=1,0,"TCP","134.175.123.194",6501,0,0 [2025-09-17 15:52:36.736]# RECV ASCII> OK [2025-09-17 15:52:36.832]# RECV ASCII> +QIOPEN: 0,0 [2025-09-17 15:52:42.385]# SEND ASCII> AT+QICLOSE=0 [2025-09-17 15:52:42.435]# RECV ASCII> OK
多APN设置及APN分离
[2025-11-11 15:54:43.917]# SEND ASCII> AT+CGDCONT=1,"IP","CMNET" [2025-11-11 15:54:43.968]# RECV ASCII> AT+CGDCONT=1,"IP","CMNET" OK [2025-11-11 15:54:48.749]# SEND ASCII> AT+CGDCONT=2,"IP","IMS" [2025-11-11 15:54:48.800]# RECV ASCII> AT+CGDCONT=2,"IP","IMS" OK [2025-11-11 15:54:54.093]# SEND ASCII> AT+CGDCONT=3,"IPV4V6","CMNET" [2025-11-11 15:54:54.145]# RECV ASCII> AT+CGDCONT=3,"IPV4V6","CMNET" OK [2025-11-11 15:54:59.278]# SEND ASCII> AT+CGDCONT? [2025-11-11 15:54:59.376]# RECV ASCII> AT+CGDCONT? +CGDCONT: 1,"IP","CMNET" +CGDCONT: 2,"IP","IMS" +CGDCONT: 3,"IPV4V6","CMNET" OK [2025-11-11 15:56:44.766]# SEND ASCII> AT+CGACT=1,1 [2025-11-11 15:56:44.816]# RECV ASCII> AT+CGACT=1,1 [2025-11-11 15:56:46.372]# RECV ASCII> OK CONNECT [2025-11-11 15:56:46.532]# RECV ASCII> +ZCONSTAT: 0,1 [2025-11-11 15:56:48.280]# RECV ASCII> +ZCONSTAT: 1,1 +ZGIPDNS: 1,"IP","10.40.139.105","10.40.139.106","211.143.147.120","112.5.230.54","","","","" [2025-11-11 15:56:54.759]# SEND ASCII> AT+CGACT=1,2 [2025-11-11 15:56:54.810]# RECV ASCII> AT+CGACT=1,2 [2025-11-11 15:56:55.105]# RECV ASCII> OK CONNECT
[2025-11-11 16:38:46.703]# SEND ASCII>
AT+CGPADDR=1
[2025-11-11 16:38:46.760]# RECV ASCII>
AT+CGPADDR=1
+CGPADDR: 1,"10.160.123.125"
OK
[2025-11-11 16:38:51.833]# SEND ASCII>
AT+CGPADDR=2
[2025-11-11 16:38:51.884]# RECV ASCII>
AT+CGPADDR=2
+CGPADDR: 2,"10.160.52.192"
OK
APN分离
1. 使用AT指令，指定pdp_id
AT+QIOPEN=1,0,"TCP","134.175.123.194",6501,0,0 - 建立TCP连接
2. 应用程序分离
3. 系统路由
移远模组默认内置APN
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