Wi-Fi is an abbreviation of the phrase Wireless Fidelity.

Advantages

• Convenient
  • Useful for smartphones, tablet devices and other portable devices to connect at any convenient location within premises.
• Simplicity
  • To connect a new device with a network, simply turn on the Wi-Fi and do the simple configuration settings.

• Mobility
  • Internet can be accessed from anywhere, ie. Bus, train, coffee-shop, super market, etc.
• Expandability
  • It is convenient to add more wireless devices with current hardware settings without any cost and time.
• Efficiency
  • WiFi enabled devices are used at offices for convenient to access their files at any location and it gives more productivity for the company.
• Cost Control

• • In WiFi network devices can be added without any cost unlike cables needs to be get man power to do the job.

• Standardization of Technology
  • Wi-Fi technology has standardized for all countries, it helps for the mobile devices to connect the WiFi regardless of the location.

Disadvantages

• Performance/Speed
  • Although Gigabit WiFi is available in the market, we cannot get the gigabit speed at all locations. Now cable network has 10 Gbps speed.
• Connectivity/Reliability
  • WiFi signal is depends on the interference. Ie. Concrete wall will reduce the signal strength. Also, there is a limit for distance to connect WiFi signals.
• Security
  • WiFi router has various encryption methods to secure our network password. Need to be done proper configuration before use the WiFi network.