Gentoo Packages

gnome-base/gnome-settings-daemon: Enable WWAN support via <pkg>net-misc/modemmanager</pkg>
media-video/pipewire: Combined with USE=bluetooth, allows PipeWire to perform telephony on mobile devices.
sys-apps/fwupd: Build and install Modem Manager plugin

Warning: USE flag 'modemmanager' used by app-misc/geoclue but has no description in metadata.xml, use.local.desc or use.desc

Package	Local Description (use.local.desc)	Metadata Description (metadata.xml)
app-misc/geoclue	-	-
gnome-base/gnome-settings-daemon	-	Enable WWAN support via <pkg>net-misc/modemmanager</pkg>
media-video/pipewire	-	Combined with USE=bluetooth, allows PipeWire to perform telephony on mobile devices.
sys-apps/fwupd	-	Build and install Modem Manager plugin

USE Flag: modemmanager