New
#1
It must be assumed to be coming from a Cell/Smart Phone so if you have any try turning them fully off and see if the icon goes away. If you need one on check that it's not set up as a hot-spot for computer connecting to the Internet. And by the way, welcome to the age of technology.
Also, if a device is showing a name it usually has to be changed within that device.
My Notebooks and 2 desktops with Wireless adapter pick up several Wireless Routers nearby, as much as 1/4 mile or a bit more away, even a printer, but they are all passworded, prevent connecting with them.