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 TRB140 Carrier Aggregation & Modem Firmware - Crowd Support Forum | Teltonika Networks

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by anonymous
Hello,

I can establish a connection on B1, B5, B28 and B40 LTE bands. However even with all bands enabled, the modem will never enters carrier aggregation. The carrier has several CA options available.

Firmware TRB1_R_00.02.05.1

Modem EC25EUGAR06A05M4G_BETA1108

The AT command AT+QCAINFO returns "Error"

I have been in contact with Quectel and they advised to upgrade the modem firmware and have provided EC25EUGAR06A06M4G_01.005.01.005 to install.

However I'm not sure how to apply this firmware update with the modem installed inside the Teltonika router. The update contains multiple files.

Thanks.

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1 Answer

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by anonymous
Hello,

TRB140 devices is only LTE Cat 4 it is using Quectel EC25-EU module inside. The Teltonika Routers that has Carrier Aggregation is our RUTX series.

For more information you can check the said links:

https://teltonika-networks.com/product/rutx11/
https://teltonika-networks.com/product/rutx09/
https://teltonika-networks.com/product/rutx12/

Hope it helps

Regards,
Jerome
Best answer

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