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Hacker fear scares US government agency offline
News California legislative counsel, Bion Gregory, told ZD Radio that an unknown intruder temporarily defaced the site, which was restored to normal operations at about 15:20 GMT. As reported on ZDNet News, ZDNet UK's online sister publication, the GAO...
[February 18, 2000, 11:25]
Comdex 2001: 802.11a puts wireless in the fast lane
News Proxim will charge about $150 for wireless PC cards that will have radio transmitters and receivers built in, and about $429 for an access point that connects the wireless technology to an Internet connection.
[November 12, 2001, 15:04]
Antenna to boost wireless security
News Because of the way these networks are set up using radio frequencies, it is possible for just about anyone to tap into a network without the knowledge or permission of the people who administer it. Optical antennas, by contrast, transmit and...
[November 11, 2002, 16:12]
I-mode services a hit with Europeans
News I-mode services are delivered via always-on GPRS (general packet radio service), which eliminates the need to create a dial-up connection. The idea of a common user interface is anathema to phone manufacturers," said Nick Hunn, research and...
[May 13, 2002, 17:06]
Palm adds Net phoning to Wi-Fi handheld
News Instead of a Wi-Fi radio chip built in, it has a GSM/GPRS (Global System for Mobile Communications/General Packet Radio Service) chip for accessing cellular networks. Aegis supports Cisco Systems' LEAP (Lightweight Extensible Authentication...
[May 30, 2003, 8:21]
Google uses toolbar to unlock genes
News The best-known distributed computing project has been SETI@home, which scans radio telescope signals for extraterrestrial communication signals. The main motivations were to try to leverage Google's expertise with large computer systems and to try...
[March 25, 2002, 9:33]
The Big Interview: William Webb
News We are getting pretty close to the theoretical limit of what it is possible to send through radio spectrum — you can go a bit further, but you're getting onto a law of diminishing returns, so you need ever more complicated technology, but the...
[December 12, 2006, 11:42]
Google jumps into TV business
News However, Google is planning to launch a marketplace that matches up marketers who don't have experience creating ads with agencies that do, similar to what Google offers for its Google Audio Ads radio platform, Desai said.
[April 3, 2007, 10:07]
Microsoft takes its own path with next-gen Wi-Fi
News Bluetooth is a wireless technology that uses radio waves to send data between devices. Some companies, like Cisco Systems, have already made them available. Proxim, Cisco and Agere Systems are among those that have made standalone 802.11a products.
[June 11, 2002, 9:12]
Bob 'Ethernet' Metcalfe looks to the future
News Yes, we won't see these new radio technologies shipping in mass-market quantities until the business processes are fixed. Will we see more unlicensed spectrum, or a rush of people trying to police unpoliceable radio?
[October 11, 2004, 15:45]
Net firms embrace offline advertising measurements
News When advertisers have something to sell, they find potential buyers reading magazines, watching TV and listening to the radio. NetRatings launched the tool, called WebRF, in partnership with Interactive Market Systems (IMS), one of largest...
[May 15, 2002, 15:46]
CES: Gadgets, digital, wireless are key
News Satellite radio competitors Sirius and XM Satellite Radio will both be showing new car and home receivers, and Sirius mysteriously promises a demonstration of how it will use its network to distribute "other types of content.
[January 7, 2003, 12:30]
Home-networking advocates await XP
News For example, Linksys, Intel, NetGear and others sell wireless devices that can be plugged to desktop computers and wireless PCs or laptops that have built-in radio transmitters and receivers. The slow adoption rate has forced some of home...
[September 6, 2001, 15:24]
Broadband over power lines sparks interest again
News The venture set up a test in Manchester, England, but soon discovered a snag in its technology: neighbouring lampposts were picking up data signals and rebroadcasting them as radio waves. Any time you put a signal on top of a metallic object such...
[February 25, 2004, 10:36]
RFIDPlanner - A Coverage Planning Tool for RFID Networks
White Papers Radio Frequency Identification or RFID systems are emerging as economical solutions for fast identification of objects. One of the important aspects of setting up a RFID network is deploying RFID readers to ensure complete coverage of RFID tags in...
[April 15, 2009, 1:22]
Dependence of RFID Reader Antenna Design on Read Out Distance
White Papers The design of a reader antenna is described for usage in Radio Frequency IDentification (RFID) systems at 13.56 Mhz, as defined in the ISO-14443a standard. It presents the theory, with emphasis on the effect of the read out distance on the design...
[April 15, 2009, 1:22]
WiMax: The saviour of rural broadband?
Talkback Traditionally, in wireless communication systems, including television, radio, mobile phone etc.the transmission power has been set so that the service will work even if the antennas are relatively ineffectual.
[April 24, 2004, 23:21]
WiMax: The saviour of rural broadband?
Talkback Traditionally, in wireless communication systems, including television, radio, mobile phone etc.the transmission power has been set so that the service will work even if the antennas are relatively ineffectual.
[April 24, 2004, 23:21]
Rupert Goodwins' Diary
Blog This is causing some concern, especially among people who rely on existing radio systems. This new radio system combines very low power, very high bandwidth and the uncanny ability to act as very precise radar.
[September 5, 2002, 16:58]
Sun wants to put RFID everywhere
News Sun Microsystems is developing radio frequency identification (RFID) that will work with its existing enterprise asset-management systems to track non-networked items. The Sun RFID Industry Solution for Physical Asset Tracking is still under...
[October 28, 2005, 17:40]
