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 ...

Oct 12, 2009
3 / 5 (4) 2

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 ...

Oct 05, 2009 weblog
4.3 / 5 (8) 2

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.

Oct 05, 2009
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Is free Wi-Fi a good deal for coffee shops?

Free Wi-Fi has turned coffee shops into de facto work spaces. That's good for a region full of digital nomads armed with laptops who want to escape the isolation of working alone. But it's been a mixed blessing for coffee ...

Sep 30, 2009
3.7 / 5 (3) 0

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 ...

Sep 02, 2009
4.3 / 5 (7) 0

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 ...

Aug 20, 2009 weblog
5 / 5 (3) 1

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 ...

Aug 13, 2009
not rated yet 0

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.

Jul 27, 2009
5 / 5 (1) 0

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 ...

Jul 08, 2009
4 / 5 (2) 1