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NB05-01 启动后查找有信号,持续30s后就再也没有信号
在有信号期间AT+CGPADDR,也没有返回IP地址
查询IMEI号和查询SIM卡信息都是正常的
NB模块休眠模式有关闭并且开启了自动搜网
以下为具体的日志
[2021-04-23 13:47:05.531 R]
Boot: Unsigned
Security B..
[2021-04-23 13:47:05.707 R]Verified
Protocol A..
[2021-04-23 13:47:08.543 R]Verified
Apps A......
[2021-04-23 13:47:09.210 R]Verified
[2021-04-23 13:47:09.386 R]
REBOOT_CAUSE_APPLICATION_AT
L
[2021-04-23 13:47:09.418 R]ierda
OK
[2021-04-23 13:47:18.572 T]AT+CGSN=1 查询IMEI号
[2021-04-23 13:47:18.666 R]
+CGSN:869029035246874
OK
[2021-04-23 13:47:19.821 T]AT+CIMI 查询SIM卡信息
[2021-04-23 13:47:19.900 R]
460049878301001
OK
[2021-04-23 13:47:33.061 T]AT+CPSMS=0 NB模块休眠模式关闭
[2021-04-23 13:47:33.123 R]
OK
[2021-04-23 13:47:35.541 T]AT+CGATT=1 开启了自动搜网
[2021-04-23 13:47:35.604 R]
OK
[2021-04-23 13:47:45.855 T]AT+CSQ 有信号 持续了1min 20s后,没有信号
[2021-04-23 13:47:45.935 R]
+CSQ:16,99
OK
[2021-04-23 13:49:16.380 T]AT+CSQ
[2021-04-23 13:49:16.460 R]
+CSQ:99,99
OK
[2021-04-23 13:49:19.653 T]AT+CSQ
[2021-04-23 13:49:19.733 R]
+CSQ:99,99
OK
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