ModemManager is a DBus-activated daemon which controls mobile broadband (2G/3G/4G) devices and connections. Whether built-in devices, USB dongles, bluetooth-paired telephones, or professional RS232/USB devices with external power supplies, ModemManager is able to prepare and configure the modems and setup connections with them.
acquired package info from repodata DB: repodata/69e709f4d2852d98f12867a74015d19384fe2727ff670fd70178cdde80b1e77e-primary.sqlite.bz2
ModemManager-devel contains header files and libraries for ModemManager.
Package compiler and linker metadata toolkit
pkgconf is a program which helps to configure compiler and linker flags for development frameworks. It is similar to pkg-config from freedesktop.org, providing additional functionality while also maintaining compatibility.