Wireless Pursuit

TRY IT AT HOME, AT WORK OR ON THE ROAD

Where does wi-fi sit on the winding road of wireless technologies? Nicely in the middle. Unlike with cell phones, however, you can't yet switch seamlessly from one wi-fi antenna to another

SHORT-RANGE RADIO

Typically found in a cordless computer mouse or keyboard sending little bits of data. Must be near a receiver

INFRARED

Used in nearly every remote control on earth, this powerful short-range system is also found in PDAs

BLUETOOTH

Short-distance radio popular in phones, headsets and, lately, car speaker phones. It's also used in some computer devices

WIRELESS ETHERNET(WI-FI)

In a home, office or "hot spot," wi-fi allows Internet...

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