My RUTX50 is struggling to maintain my desired 5G-NSA CA configuration.
Using a directional antenna, I have tested a lot of configurations with my local cell tower and have concluded that a Triple CA of B7+B7+N78 is optimal for me.
I have configured my Mobile settings as follows:
Network Type: “4G+5G”
Band Selection: “Manual”
LTE Bands: “B7”
5G Bands: “78”
When my router is configured to Band Selection: “Auto”, it achieves a Multi CA of B1+B3+B3+B7+N78. This is suboptimal for me as bands B1 and B3 have a lot of interference which impacts the quality of my network.
When I configure my Manual band selection by clicking Save and Apply, the configuration is enabled successfully, and I have tested this by running
gsmctl -A 'AT+QCAINFO' in an SSH shell.
PCC: “LTE BAND 7”
SCC: “LTE BAND 7”
SCC: “NR5G BAND 78”
However, after approximately 3-4 hours, the RUTX50 defaults back to 4G in Single CA mode with “LTE BAND 7”.
In order for me to re-enable my desired 5G-NSA CA configuration, I need to set the Band Selection to “Auto”, save and apply which enables 5G again, and then set it back to “Manual” with my selected bands.
Then the cycle repeats.
Obviously this is very suboptimal because I don’t want to have to do this every 4 hours.
Is there any way to force the RUTX50 to honour the Manual 5G-NSA CA band configuration I set? So rather than simply selecting the bands, to lock onto the specific configuration I want (i.e. B7+B7+N78)?
I have inferred that this is unrelated to my service provider as when I perform this “Auto” → “Manual” cycle, the 5G-NSA CA configuration is applied successfully and my network speeds/latency remain extremely good until the RUTX50 defaults to 4G within 3-4 hours, at which point I have to change it manually again.
Thank you, any help would be appreciated. I am comfortable with using the CLI, so any configuration I could apply from there would be great. I thought about potentially setting up an automated job to do this cycle of “Manual” → “Auto”, but figured the must be a smarter / more elegant way.
I haven’t been able to find any documentation on this here
And also, for what it’s worth, this page is very out of date as it’s only for firmware R_00.06.08.3 and below.