Re: how to get signal strength of 3g modem?

[Aleksander Morgado <aleksander lanedo com>]

> NetworkManager preventing to use AT+CSQ by locking modem device file.
> There isn't any method like getSignalStrength in NetworkManager gdbus
> object
> <https://projects.gnome.org/NetworkManager/developers/api/09/spec.html#org.freedesktop.NetworkManager.Device.Modem>.
>  
> nm-applet was able to display signal strength in system tray. so there
> should be a way to get signal strength form network manager!
>
> |nmcli| is command line counter part of nm-applet. Can i get signal
> strength using nmcli? nothing about signal strength is mentioned in its
> man pages.

Signal quality from a 3G modem is directly read (IIRC) from
ModemManager, not from NetworkManager; check the
org.freedesktop.ModemManager.Modem or
org.freedesktop.ModemManager1.Modem interfaces, If you're using the
latest MM, there's online documentation for it:

http://www.freedesktop.org/software/ModemManager/api/latest/gdbus-org.freedesktop.ModemManager1.Modem.html#gdbus-property-org-freedesktop-ModemManager1-Modem.SignalQuality


-- 
Aleksander