TTOG 3G/4G connection problems

Gateways TTOG - The Things Outdoor Gateway
1

I tested the EU version of the TTOG for 2 months at the office with the 3G/4G WAN option and it worked perfectly fine.
working_redacted

At its deploy site however, the 3G/4G connection doesn’t work (same settings and SIM - see screenshots). When trying the SIM card in a phone at the same location I have great reception so that shouldn’t be a problem. There is also lots of data left on the card.

not_working_redacted_1
not_working_error_redacted

Does anyone have an idea what the problem might be?

2

Do the phone and the gateway support the same gsm bands?

3

The phone supports pretty much everything there is, so that’s a little unfair of a comparison. But the quectel ec25 modul should support enough not to pose any problems. At least it’s certified for the region here
Quectel_ec25
I’ll test another SIM today and will analyse the 3G/4G connection there. Maybe I’ll find something?

4

Fixed! Apparently the reception was too weak, so we switched providers.

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