Difference between WiFi and LiFi

Computer EngineeringComputer NetworkMCA

WiFi and LiFi used to send and receive data wirelessly. WiFi uses Routers and Radio Frequency whereas LiFi uses LED bulbs and Light signals to transfer and receive data.

Following are the important differences between WiFi and LiFi.

Sr. No.KeyWiFiLiFi
1DefinitionWiFi stands for Wireless Fidelity.LiFi stands for Light Fidelity.
2InventedWiFi was invented by NCR corporation on 1991.LiFi was coined by Prof. Harald Haas in 2011.
3OperationWiFi transmits data using radio waves using WiFi router.LiFi transmits data using light signals using LED bulbs.
4Device ComplianceWLAN 802.11/b/g/n/ac/d standard compliant devices.IrDA compliant devices.
5Data Transfer SpeedWiFi transfer speed ranges from 150 Mbps to 2 Gbps.LiFi transfer speed is about 1 Gbps.
6Frequency2.4Ghz, 4.9Ghz and 5Ghz.10,000 times radio frequency spectrum.
7CoverageWiFi coverage area is upto 32 meters.LiFi coverage area is about 10 meters.
8ComponentsRouters, Modems and access points.LED bulb, LED driver and photo detector.
9ApplicationsUsed in internet browsing using WiFi hotspot.Used in airlines, under sea explorations.
Published on 27-Nov-2019 07:10:44