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I need help at my GSM-Project. Somehow I am not able to connect to the Network. I already checked if I forgot something, but I don't think so. The LTE- and GPS-Antenna are connected correctly to the board and a valid SIM(my own for testing, without PIN) is inserted. I did manage to receive a Message and get some GPS-Informations(which had a little deviation). The "NET" indicator LED keeps flashing fast, which tells me that the module hasn't logged in to the Network, but I couldn't it explain to myself.

Here is a link to the module's Manual:

SIM7600E-H-4G-HAT-Manual

kenlukas
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Markus K.
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  • There are plenty of reasons that prevent your module from *registering* to the network. You should edit your question being more precise about what you tried (so that we can figure out what you forgot) – Roberto Caboni Nov 22 '19 at 11:27
  • What if you provide `AT+CEREG?` command? It is the registration status on LTE packet network – Roberto Caboni Nov 26 '19 at 10:08

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Try the AT+CREG? command to check the status of network registration.

Gábor
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  • The module responses with "+CREG: 0,1". The first parameter means: "disable network registration unsolicited result code", the second "registered, home network". Does this mean I am connected to the "global" network? Yesterday i checked if I can ping the google-Server. This worked out, but I am still confused, because the "NET" LED indicates that the module shouldn't be logged in to the network. The LED is flashing 1 time per second, but it should flash 1 time every 3 seconds. – Markus K. Nov 24 '19 at 16:13