The Wi-Fi has many features for internet access; the most important benefit is that they provide freedom from the web of wires. Wireless fidelity was first launched in the year 1999. IEEE 802.11 is the Wi-Fi code largely accepted all over the world. Wi-Fi has changed the way people use Internet today. According to the ongoing IEEE 802.11AC amendment, the wireless network is about to embrace the gigabit-per-second raw data rate. There are many Wi-Fi technologies which are used with the help of router. The latest router is AC router, it is also known as 802.11AC router with many benefits including speed, bandwidth, etc.