A wireless router is a very important network device that performs the same functions of a router but also includes the functions of a wireless access point. It is used to allow access to the Internet or a computer network without the need for a cabled connection. It can function in a wired LAN (local area network), a wireless only LAN, or a mixed network.
The simple router connect two or more logical subnets, which do not necessarily map one-to-one to the physical interfaces of the router and while wireless router doing the same function without cables.  Read more...