Routers, Access, Ethernet switches
An access point is a device that creates a wireless local area network, or WLAN, usually in an office or large building. An access point connects to a wired router, switch, or hub via an Ethernet cable, and projects a Wi-Fi signal to a designated area.
Router. A router is a wireless capable device that transmits a wireless signal. Wireless devices, such as laptops and tablets, use this signal to connect to each other and the Internet through a modem. Wireless routers typically support one of two wireless standards, Wireless-G or Wireless-N.
Ethernet is the traditional technology for connecting devices in a wired local area network (LAN) or wide area network (WAN), enabling them to communicate with each other via a protocol -- a set of rules or common network language. ... An Ethernet cable is the physical, encased wiring over which the data travels