Controller – The supported model of Ericsson Cradlepoint router to which the adapter is connected.
Captive Modem – The mode the Ericsson Cradlepoint adapter operates in when connected to and managed by a controller. When in this mode, the Ericsson Cradlepoint adapter is no longer managed as a standalone device in NetCloud Manager. Instead, it is managed as a modem WAN interface in the Connection Manager of the connected controller.