International Journal of Innovative Science Engineering and Technology (IJISET)
Wi-Fi is an industry name for Wireless Local Area Network (WLAN) communication technology based on the Institute of Electrical and Electronics Engineers (IEEE) 802.11 wireless standards. It uses 2.4GHz UHF and 5GHz SHF radio waves. It is a system of wirelessly connecting devices allowing connection between devices without the use of cables. Many devices including smart phones can use Wi-Fi in their operations. Wi-Fi calling uses Wi-Fi to provide better mobile phone coverage. It is based on a smart Wi-Fi application that is pre-loaded onto a phone.