News tagged with wi fi

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Radio waves 'see' through walls (w/ Video)

University of Utah engineers showed that a wireless network of radio transmitters can track people moving behind solid walls. The system could help police, firefighters and others nab intruders, and rescue ...

dateOct 12, 2009 in Engineering
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Wi-Fi signals can see through walls

(PhysOrg.com) -- Researchers at the University of Utah, USA, have discovered that variations in signal strengths in wireless networks can be used to "see" movements of people on the other side of walls or ...

dateOct 05, 2009 in Engineering weblog
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Vonage releases calling app for iPhone, BlackBerry

(AP) -- Vonage Holdings Corp., a pioneer in Internet-based home phone service, is launching applications for the iPhone and BlackBerry that undercut the international calling rates of major wireless carriers.

dateOct 05, 2009 in Telecom
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Review: Use power outlets as a Wi-Fi alternative

(AP) -- Setting up a Wi-Fi network at home has gotten much easier, yet the process can still be daunting. Or the wireless signal won't reach everywhere. A good alternative that has gotten little attention ...

dateSep 02, 2009 in Telecom
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New Wi-Fi Technology Using White Spaces

(PhysOrg.com) -- A wireless internet network that uses portions of the old analog TV spectrum may one day become a reality. The plans for a computer network that uses "white spaces," which are empty fragments ...

dateAug 20, 2009 in Telecom weblog
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Free radio stations and podcasts sans computer

Television and radio broadcasts used to be free. Stick an antenna in the air and that's still true even though much of it has now gone digital. As technology advanced, we got better delivery methods of those free signals ...

dateAug 13, 2009 in Telecom
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Verizon gives free Wi-Fi to Internet customers

(AP) -- Verizon is giving some of its home broadband customers free access to thousands of Wi-Fi hotspots in airports and other public places, taking a page from competitors that already offer wireless Internet access.

dateJul 27, 2009 in Telecom
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Netbooks now being sold like cell phones

If you walked into the right RadioShack store last weekend, you could get an Acer Aspire "netbook" computer for free. The catch: You would have to sign a two-year contract for mobile Internet service from AT&T, at $60 a month ...

dateJul 08, 2009 in Consumer & Gadgets
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