Wi-Fi Device

Short for Wireless Fidelity, Wi-Fi utilizes one of the IEEE 802.11 wireless standards to achieve a wireless connection to a network. A home wireless network uses a wireless access point or router to broadcast a signal using WAP or WEP encryption to send and receive signals from wireless devices on the network. The picture shows a Wireless access point with two antennas and an example of how most home users connect to the Internet using a wireless device.
Wireless router
If the desktop computer or laptop does not have wireless it requires a wireless adapter in order to connect to the wireless network. Below are examples of the different Wi-Fi adapters that can be used with a computer to connect to a wireless network.
Computer wireless adapters
In the picture above, the first image is of a Linksys desktop Wi-Fi card that connects to a PCIslot on the motherboard. Next, the SMC wireless PC Card is used with older laptops that do not have a wireless option. Finally, the far right picture is of a Cisco USB Wi-Fi adapter that can be used on any computer with a USB port

Examples of devices that use Wi-Fi

Today, there are a number of devices that connect to the Internet using Wi-Fi. Below is a short list of some of the more popular Wi-Fi devices you may find in a home or office. Also, see our wireless definition for a list of other wireless device that use a different spectrum to communicate wirelessly.
  • Chromecast, Roku, and other streaming devices
  • Computers
  • Consoles, e.g. PlayStation, Wii, and Xbox
  • Digital photo frames
  • DVD and Blu-ray players
  • DVR and Set-top box
  • eBook readers
  • Home automation devices, e.g. Nest Thermostat
  • Printer
  • Scales
  • Smart TV
  • Smartphone
  • Speakers and stereo systems
  • Security cameras
  • Tablet.

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