WI-FI DE­MYS­TI­FIED

Gadgets and Gizmos (India) - - GG TOP 40 -

WHAT IS IT? Wi-Fi lets a com­puter con­nect wire­lessly to a net­work or the In­ter­net. There are three types of Wi-Fi con­nec­tions: Wire­less Lo­cal Area Net­work (WLAN) us­ing ra­dio waves and with suit­able for a larger area, Wire­less Per­sonal Area Net­work (WPAN) us­ing Blue­tooth for ranges un­der 30 ft and Wire­less Wide Area Net­work (WWAN) us­ing cel­lu­lar tow­ers for wider ranges. HOW TO SET IT UP? Wi-Fi can be eas­ily set up at home with the help of a router. Look for a router that gives the best speeds. As of now 802.11n routers are the best with speeds up to 450 Mbps and it is best to buy these routers. But soon 802.11ac, which can achieve speeds of up to 7 Gbps, could be­come the stan­dard. But re­mem­ber, all these are on pa­per and you will never see such speeds in a home en­vi­ron­ment. Be­fore you buy a router also check what kind of Wi-Fi suits the de­vices you have. Also make sure that the de­vice you have sup­ports WPA2 which of­fers the high­est level of se­cu­rity. HOW TO SE­CURE? The best way to se­cure your wire­less net­work is to use en­cryp­tion, ei­ther the older wired equiv­a­lent pri­vacy (WEP) or the safer WiFi pro­tected ac­cess (WPA). WEP uses a pass­word while for WPA you need a pass phrase. What­ever method you use, make sure your pass­word is strong. Also make sure that you change the SSID (ser­vice set iden­ti­fier) of your router to some­thing unique so that you don’t have 10 Linksys or Asus routers in your build­ing and can’t make out whose is yours.

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