Many wireless routers display a reference to LAN and/or WAN. These refer to a local area network and a wide area network respectively, with the latter usually being a synonym for the Internet itself. These terms should not be confused with WLAN, which is a wireless local area network.
http://smallbusiness.chron.com/difference-between-lan-wan-wireless-routers-73466.html
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https://answers.yahoo.com/question/index?qid=20080614021910AAgE8le
Meaning, Origin, Inspirations, and Associations. Have you been wondering what does the name Wan mean? The list below shows the origins of Wan as well as things modernly associated with the name Wan such as celebrities named Wan.
https://www.names.org/n/wan/about
The term WAN could be confused with WLAN, or wireless local area network. A WLAN is a type of LAN that uses wireless technology (nearly always Wi-Fi) to connect some or all computers and devices to the router, and in turn to one another and the Internet.
http://smallbusiness.chron.com/difference-between-lan-wan-wireless-routers-73466.html
Since there are two WAN ports, it can be used to connect to two different Internet connections from different ISPs at the same time with load balancing feature, so that you can enjoy greater and reliable Internet service.
http://www.home-network-help.com/dual-wan-router.html
The term distinguishes a broader telecommunication structure from a local area network (LAN). A wide area network may be privately owned or rented, but the term usually connotes the inclusion of public (shared user) networks. An intermediate form of network in terms of geography is a metropolitan area network (MAN).
https://answers.yahoo.com/question/index?qid=20080614021910AAgE8le
What are the most frequent asked questions about the TP-Link routers' speed? Q: What does 150 Mbps and 300 Mbps Routers mean? A: 150 Mbps and 300 Mbps means the maximum wireless links speed the router can provide. It is the internal WLAN connection speed between the computer and the router, not the internet speed.
http://www.tp-link.com/us/faq-690.html
The WAN is the network outside the LAN; this is both other internal networks and the full Internet. A WAN port is the portal by which information passes back and forth between the LAN and the WAN. Most users will find a WAN port on a network router. A common home router has one WAN port and four LAN ports. Some routers refer to them as an uplink (for the WAN port) and wired connections (for LAN ports).
http://www.wisegeek.org/what-is-a-wan-port.htm
Fun Facts about the name Wan. How many people with the first name Wan have been born in the United States? From 1880 to 2015, the Social Security Administration has recorded 15 babies born with the first name Wan in the United States.
https://www.names.org/n/wan/about
Dual WAN router is the router which is equipped with two WAN (Internet) ports and can be used to connect to two Internet connections. This product is useful if Internet connection is very important to you and you have very low tolerance with Internet outage and do not want to rely on Internet connection from single ISP only.
http://www.home-network-help.com/dual-wan-router.html
what does wan on a router mean?
The WAN is the internal network and the full internet on a router. The Wireless Area Network on a router means a Wireless Area Network port by which information passes back and forth between the Local Area Network and the Wireless Area Network.