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× Questions about VS-GW2120/GW1600/GW1202 and WGW1002G GSM Series VoIP Gateway

VS-GWM400G doesn't recognise sim card

1 year 4 months ago #15288 by vizl
Hi!

I expect a problem with VS-GWM400G and new sim cards with LTE support.
I've got GSM Status: NET REQ.
Finally, I don't plan to use LTE, only GSM, but the module does not recognize my SIM.
At the same time, I installed this SIM in the newer module VS_USB-1044, and everything worked fine.
Is it possible that new SIM cards are unsupported by VS-GWM400G?
I am ready to provide any logs from the GSM gateway or other helpful information that helps debug a problem.
1 year 4 months ago #15289 by hua
Hello

You should confirm if your new sim card still support 2G(GSM) network .also you can check your VS_USB-1044 device module , check if its LTE module or GSM support only , you can screenshot status page for us.
1 year 4 months ago #15290 by vizl

You should confirm if your new sim card still supports 2G(GSM) network


Please advise the best way how to check it. Maybe some AT command or another way we can check 2G supporting by SIM

check if its LTE module or GSM support only , you can screenshot status page for us.


I've attached 2 screenshots with system info: one for VS_USB-1044 module, with LTE support, and the second for VS-GWM400G
Attachments:
1 year 3 months ago #15291 by hua
your VS_USB-1044 support 2G/3G/4G, Your GWM400G only support 2G , confirm with your sim card carrier if still support 2G or not .
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