USB Wireless Modem

A modem is the device that allows you to connect to the internet. A router uses wires to connects from the modem to other computers to share the Internet connection. A wireless router uses wires to connect to the modem but connects to the other computers through a wireless connection. A modem with a built in wireless router only uses wires to connect it to the internet source meaning you can place it any where in the house that has access to an Internet source.