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Definition: A hotspot is a physical location where people may obtain Internet access, typically using Wi-Fi technology, via a wireless local area network (WLAN) using a router connected to an internet service provider.
Definition: Wi-Fi or WiFi is a technology that allows electronic devices to connect to a wireless LAN (WLAN) network, mainly using the 2.4 gigahertz (12 cm) UHF and 5 gigahertz (6 cm) SHF ISM radio bands.
Notes: Mae’r sillafiadau Saesneg Wi-Fi a Wifi hefyd yn cael eu defnyddio. Nid yw’r union sillafiad yn sefydlog yn Saesneg, ond mae’r ffurf “Wi-Fi” yn nod masnachol gan y Wi-Fi Alliance – rhwydwaith eang a rhyngwladol o gwmnïau sy’n cydweithio er mwyn sicrhau bod dyfeisiau Wi-Fi yn gallu rhyngweithredu.
