CATEGORY 1.Theoretical 2.Theoretical 3.Methodology 4. Theoretical THEME AUTHOR AND DATE KEY WORDS Definition of Wi-Fi Wi-fi. (n.d.). In Cambridge Electronic Equipment Dictionary. Internet Retrieved from Computers https://dictionary.cambridge.org/ dictionary/english/wi-fi Functions of Wi-Fi Pinola, M. (2018). Understanding Wi-Fi and How it Works. Retrieved from https://www.lifewire.com/whatis-wifi-2377430 Users of Wi-Fi Taylor, S.,Young, A., & Noronha, A. (2012). What Do Consumers Want From Wi-Fi. Retrieved from https://www.cisco.com/c/dam/ en_us/about/ac79/docs/sp/SP_WiFi_Consumers.pdf Effects of Wi-Fi Pall, M. (2018). Wi-Fi is an important threat to human health. Environmental Research, 164, 405-416 Communication Transmitter Access SUMMARY Wireless Fidelity connects electronic devices and gadgets to the internet without the use of wires. It uses a router that transmits an internet connection then delivers it to nearby devices. Business Mobile Usage Smartphone Owners People use Wi-Fi through their smartphones to perform various online activities. Electromagnetic Field(EMF) Brain Impact Oxidative Stress Wi-Fi can give different health problems to its users because of exposure over time.