NEXS2GO/EM9191 Band Scanning & Locking

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Rgamer84
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NEXS2GO/EM9191 Band Scanning & Locking

Post by Rgamer84 »

I have a NEXS2GO running the latest GoldenOrb_2022-04-09 version with an EM9191 in a sled. I'm having some issues finding good information and also believe I'm hitting a few quirks in the current version.

1. When I use the band scanner, it doesn't find towers that I'd expect to see, even the ones it's currently connected to. The LTE/NR bands do not show up in the list when done scanning.
2. I have been unable to find anything on doing a bandlock on 5G bands. Currently I'm on B66@20MHz/n41@100MHz. I can figure out the AT commands for B66 however how do you bandlock for n41?
3. When I try to change the Cellular Mode to 5G Only (SA Mode) it continually goes back to Automatic. It doesn't seem to matter what I select, it always says the Current Cellular Mode is Automatic.

I suspect that maybe GoldenOrb isn't fully baked for 5G and the EM9191 and that is why I'm seeing these oddities but figured I should 1) report them and 2) see if anyone knows a workaround.
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bjames
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Re: NEXS2GO/EM9191 Band Scanning & Locking

Post by bjames »

The band locking and scanner functionalities for the EM919X modems are not yet supported by GoldenOrb. Those that are supported are :

Sierra EM/MC73xx
Sierra EM/MC74xx
Sierra EM7565
Sierra EM7411
Sierra EM7511
Fibocom L850
Fibocom L860
Fibocom FM150
Quectel EC25
Quectel EP06
Quectel EM12
Quectel EM20
Quectel EM160
Quectel RM500Q

See: https://ofmodemsandmen.com/custom.html

Hopefully, the next WiFiX version will include them.
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