Binary package “plasma-widget-networkmanagement” in ubuntu precise

Network Management widget for KDE Plasma workspaces

 This package contains the Network Management plasma widget which aims to
 provide a fully featured GUI for managing networks. Currently, the only
 supported backend is NetworkManager. Support for wired, wireless, mobile
 and VPN networks are provided. The widget is exclusively written for KDE
 Plasma workspaces and it is not supposed to work in other environments.
 In order to start using the widget, look for "Network Management" in the "Add
 Widgets" dialog of the Plasma workspace you're using.