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The FAQs about WLANs
News All cards and access points come with their own antenna and any necessary power supply. For more range, site the access point or base station as high as possible and as clear of obstructions as you can: the radio signals can go through walls...
[November 22, 2002, 19:44]
Photos: Technology Showcase at IDF review
Reviews The large blue cylinder contains the antenna, which locates and focuses on the provider's base station, which can be up to 15km away if you've got line of sight, or 1 to 2 km away if you're in a built-up area.
[April 17, 2007, 12:50]
Bluefi? Witooth? WiFi and Bluetooth are getting together
Blog Many years of work in making the standards co-exist mean they can now not only live in the same equipment but on the same chip and sharing the same antenna, while advances in technology and design mean it's no longer impossible to think of Wi-Fi...
[December 6, 2007, 13:40]
Military tests RFID to solve friendly fire problem
News With that little antenna and four AA batteries you can get a return at 80 miles. One of the technologies being investigated is radio frequency tagging, according to lieutenant colonel Tony Sobrero of the US Airforce Airwarfare Battlelab.
[October 20, 2005, 13:55]
3Com splits standards allegiance
News This month, it also intends to release a PC Card client, the 3Com 11a/b/g Wireless PC Card with XJack Antenna, priced at $135 and a desktop client, the 3Com 11a/b/g Wireless PCI Adapter, priced at $110.
[November 11, 2003, 10:20]
Behind the scenes at chip firm NXP
News The working prototype is the PCB pictured above the strip, which has a flexible antenna and pressure sensors. The company's research and development focuses on radio frequency identification (RFID) and near-field communications (NFC).
[July 10, 2009, 11:39]
WiMAX: Demystifying 802.16d and 801.16e
White Papers It is the most progressive, full-featured wireless standard available today, incorporating the latest radio, antenna and transport technologies that help yield the best business case for service providers.
[October 19, 2007, 1:00]
Mobile RFID Tag Detection Influence Factors and Prediction of Tag Detectability
White Papers A mobile RFID tag is detected by an RFID antenna. Radio-Frequency Identification (RFID) readers are powered RF devices that communicate with tags (whether mobile or fixed) and read necessary information to be processed.
[November 20, 2009, 0:25]
IBM sews up second Blue Gene deal
News Its design lacks the moving parts of a conventional dish antenna radio telescope. IBM will install a second Blue Gene/L supercomputer as part of a radio telescope project in the Netherlands, the company plans to announce on Monday.
[February 23, 2004, 9:40]
Volvo steers clear of jams
News Once a route has been entered into the RTI an on-board antenna collects information from any of 24 GPS (Global Positioning System) satellites orbiting the Earth. Volvo's Road and Traffic Information System (RTI) receives real-time traffic...
[October 21, 1998, 14:38]
E-Minister takes first steps towards free wireless Internet
News In the US the New York organisation NYCWireless, which runs a small number of free-access cells in the city, has been using 802.11b and directional antenna to provide connectivity to firms who've lost access due to attack damage.
[October 22, 2001, 17:09]
Toshiba to launch Bluetooth card
News The chip set and antenna required to implement the technology cost between $25 and $35 and between $10 and $15, respectively. You have to do antenna design around that," he said. Integrated antenna design is an art form," Andler said, due to the...
[September 14, 2000, 9:23]
Comdex Spring: Nogatech does easy TV on a PC
News The $160 (£98) device operates at full screen, and it even lets you bring a coax FM antenna source into your computer for listening to radio broadcasts as well. Nogatech's USB-TV does away with all that -- all you need to do is plug this...
[April 21, 1999, 7:47]
Handspring VisorPhone review
Reviews The VisorPhone module consists of a radio and stubby antenna, buttons for the two main applications (and for powering up the phone), and a switch for alternating between two customisable rings. The phone and the pocket computer resemble a couple...
[March 1, 2001, 23:00]
Sharp displays Mira-style smart screen
News In order to receive TV signals from an outlet -- such as a DVD player or wall antenna socket -- the unit comes with its own transmitter box, which sends digital radio signals in the 2.4GHz waveband. The $1,500 (£932) Sharp Aquos LC-1C5l1 TV houses...
[May 9, 2003, 8:40]
Next-gen Palm set for debut
News The device will come with a built-in fixed antenna and radio chip, as well as a rechargeable lithium-polymer battery. Palm will unveil on Monday its second-generation wireless handheld, according to sources familiar with the product.
[January 28, 2002, 8:56]
Grand theft auto, the high-tech way
News First introduced in the 1980s, modern remote keyless entry systems use a circuit board, a coded radio-frequency identification (RFID) technology chip, a battery and a small antenna. Let's say you just bought a Mercedes S550 - a state-of-the-art...
[May 8, 2006, 15:10]
Ruckus keeps wireless simple for SMEs
News A smart antenna-array tries to find the best possible signal path to a client by focusing the radio-frequency energy and automatically changing that direction on demand and in real time. Ruckus Wireless has introduced a range of wireless access...
[May 22, 2007, 12:52]
Rupert Goodwins' Diary
Blog There's not enough bandwidth for broadband data, the antenna aren't efficient and the radio propagation characteristics are variable: commercially, the frequencies aren't that hot. Thursday 27/07/2006
[July 28, 2006, 18:50]
High-speed Wi-Fi raises early concerns
News The other example is that 802.11n has beam-forming capability — it has the antenna that can beam the radio frequency signal directly to the recipient. The new high-speed Wi-Fi standard, 802.11n, has been controversial to say the least.
[June 12, 2007, 11:17]
