Most cell phone providers can provide cellular internet over WiFi for a reasonable cost. There are also Satellite internet providers. The phone company can provide internet through a DSL connection that requires no coax outlet.
Do I need cable outlet for WiFi?
Setting up Wi-Fi? You still need to plug in an Ethernet cable. Even if you're setting up a Wi-Fi network, you'll still need to plug your computer into the router with an Ethernet cable. But not to worry, the Ethernet cable is temporary, and once you get everything set up, you can unplug it.