Wireless Networking Introduction, Page 4: More Advanced, Single-Function WiFi Devices
If you have a big house, you may find it necessary to purchase and install additional WiFi equipment to extend coverage. If your house or small business already has some computers using wired Ethernet segments, you may find it convenient to bridge those existing LAN segments with a "Wireless Ethernet Bridge". Once a WiFi network is in place, most people find it convenient to "untether" their printers for wireless access, which allows for convenient relocation anywhere within WiFi range. This is done by purchasing and installing a Wireless Print Server, and once it's done, it becomes far easier to share use of the associated printer or printers. The brief video clip below introduces all of these concepts.