802.11b:- WiFi Std. operates on the 2.4 GHz frequency and has a maximum rate of 11 Mbps and WiFi range is 45 meter.

802.11a:-WiFi Std. operates on the 5 GHz frequency and has a maximum rate of 54 Mbps and WiFi range is 23 meter.

802.11g:- WiFi Std. operates on the 2.4 GHz frequency and has a maximum rate of 54 Mbps and WiFi range is 38 meter.

802.11n:-WiFi Std. operates on both 2.4 GHz and 5GHz frequency and has a maximum rate of 54 Mbps and WiFi range is 70 meter

802.11ac:-WiFi Std. operates on the 5 GHz frequency and has a maximum rate of 6.9Gbps and WiFi range is 23 meter.

802.11ax (Wi-Fi 6):-WiFi Std. operates on both 2.4 GHz and 5GHz frequency and has a maximum rate of 9.6Gbps and WiFi range is 35 meter