测试

[lyxer123]

[lyxer123]

10:47:38.971 -> ESP32-c6 A7680C ppp test
10:47:38.971 ->
10:47:38.971 -> Starting the modem. It might take a while!
10:47:38.971 -> PPP Started
10:47:38.971 -> Manufacturer: SIMCOM INCORPORATED
10:47:38.971 -> Model: A7680C-LNNY
10:47:38.971 -> IMEI: 864423060651147
10:47:39.014 -> Waiting to connect to network...........................................................59.5s
10:48:38.549 -> Attached: 0
10:48:38.549 -> State: 1
10:48:38.549 -> Failed to connect to network!

请问是什么问题导致的？
（1）供电不够？
（2）A7680C版本不一致？
（3）其他？