Wi-Fi (Wireless Fidelity): It is similar to Bluetooth in that it also uses radio waves for high-speed data transfer over short distances without the need for a wire connection.
- Wi-Fi works by breaking a signal into pieces and transmitting those fragments over multiple radio frequencies. This technique enables the signal to be transmitted at a lower power per frequency and also allows multiple devices to use the same Wi-Fi transmitter.
- Initially developed in the 1990s, Wi-Fi has undergone several standardization processes, approved by the Institute of Electrical and Electronics Engineers (IEEE), to allow for greater bandwidth in data transfer.
- Wi-Fi based networks work at 2.4, 3.6 and 5 GHz
