18-10-2012, 04:26 PM
WIRELESS FIDELITY
WIRE.ppt (Size: 382 KB / Downloads: 382)
INTRODUCTION OF WI-FI
Inventor
PLANCOM & Wayport
Fast communication technique
Allows internet connection via radio signals
Hotspots
DEVICES
A wireless router uses an antenna to send signals to wireless devices and a wire to send signals to the Internet.
Create networks that broadcast signal
ROUTER receives the signal and decodes it.
WORKING
Carries two-way radio signals between a fixed base station and a laptop computer
Average range:
Outside – 350 ft
Inside – 80 ft
Works like a cordless phone with base station but connected to the Internet.