AT命令返回sim卡注册信息未本地注册AT+CEREG?返回 0,0,但是却可以上网,AT+CREG=?返回(0-2),想问一下,(0-4),(0-2)这三个是真么运营商,为什么正常可通话短信手机卡返回的也是这个(0-2)而不是CHINA BROADNET其中一个? 版本RM500UCNVAAR03A07M2G_01.001.01.001。工具sscom5.13.1
[19:09:39.764]收←◆+COPS: (2,“CHINA BROADNET”,“CBN”,“46015”,11),(1,“CHINA BROADNET”,“CBN”,“46015”,7),(3,“CHINA MOBILE”,“CMCC”,“46000”,11),(3,“CHINA MOBILE”,“CMCC”,“46000”,7),(3,“CHN-UNICOM”,“CUCC”,“46001”,2),(3,“CHN-UNICOM”,“CUCC”,“46001”,11),(3,“CHN-UNICOM”,“CUCC”,“46001”,7),(3,“CHN-TELECOM”,“CTCC”,“46011”,11),(3,“CHN-TELECOM”,“CTCC”,“46011”,7),(0-4),(0-2)
[19:15:50.529]收←◆AT+CREG=?
+CREG: (0-2)
OK
[18:48:03.626]收←◆AT+CEREG?
+CEREG: 0,0
OK