mmcli 3gpp network scan

[Dan Williams]

On Thu, 2019-10-10 at 11:26 +0000, Amol Lad wrote:
> mbimcli actually shows more detailed output but it also has got RSSI
> and Error Rate field incorrect...

I don't think I've ever seen an accurate signal strength for scanned
networks :) Either with data cards or phones...

Dan

> [/dev/cdc-wdm0] Visible providers (6):
>         Provider [0]:
>                     Provider ID: '405861'
>                   Provider name: 'Jio 4G'
>                           State: 'home, preferred, visible,
> registered'
>                  Cellular class: 'gsm'
>                            RSSI: '99'
>                      Error rate: '99'
>         Provider [1]:
>                     Provider ID: '40445'
>                   Provider name: 'IND airtel'
>                           State: 'forbidden, visible'
>                  Cellular class: 'gsm'
>                            RSSI: '99'
>                      Error rate: '99'
>         Provider [2]:
>                     Provider ID: '40486'
>                   Provider name: 'Vodafone IN'
>                           State: 'forbidden, visible'
>                  Cellular class: 'gsm'
>                            RSSI: '99'
>                      Error rate: '99'
>         Provider [3]:
>                     Provider ID: '40510'
>                   Provider name: '405 10'
>                           State: 'forbidden, visible'
>                  Cellular class: 'gsm'
>                            RSSI: '99'
>                      Error rate: '99'
>         Provider [4]:
>                     Provider ID: '40471'
>                   Provider name: 'CellOne'
>                           State: 'forbidden, visible'
>                  Cellular class: 'gsm'
>                            RSSI: '99'
>                      Error rate: '99'
>         Provider [5]:
>                     Provider ID: '404999'
>                   Provider name: '404 999'
>                           State: 'forbidden, visible'
>                  Cellular class: 'gsm'
>                            RSSI: '99'
>                      Error rate: '99'
> 
> 
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> as a result of any viruses and/or any action or lack of action taken
> in reliance on it).-----Original Message-----
> From: Aleksander Morgado <aleksander at aleksander.es>
> Sent: Thursday, 10 October 2019 2:05 PM
> To: Amol Lad <Amol.Lad at 4rf.com>
> Cc: ModemManager (development) <
> modemmanager-devel at lists.freedesktop.org>
> Subject: Re: mmcli 3gpp network scan
> 
> Hey,
> 
> > I’m using almost the latest modemmanager from master (commit hash:
> > 0a85254d1765db6e55770d36e24b1e6349e789f4). When starting network
> > scan using mmcli, the availability field is always “unknown”
> > whereas for qmicli the “Status” is reported with more details.
> > Please advise if this is desired behaviour in mmcli output?
> > 
> 
> I recall this being a limitation of the "MBIM Query Visible
> Providers"
> implementation in some modules, which is what ModemManager does when
> the modem is managed in MBIM mode. You can see qmicli providing
> better data because it's doing "QMI NAS Network Scan" over MBIM
> instead.
> 
> --
> Aleksander
> https://aleksander.es
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