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Electro-Magnetic Interference (EMI) Issues For Spectralink Wireless Telephones
White Papers Some common wireless devices such as cellular telephones and two-way radios are known to cause certain equipment to malfunction from the electro-magnetic energy transmitted by the wireless device interfering with sensitive circuitry.
[January 1, 1970, 0:59]
Aruba Warns Against 802.11n Deployments
News You need two radios in the AP — one for 802.11b/g and one for 802.11n," Hockaday said. Second-generation APs [those currently going to market] will take about 13W with two radios, but the temperature on the cable will increase, so resistance will...
[October 18, 2007, 10:47]
How Smart Can Phones Get?
News You can only roam between two different radios. It could be Wi-Fi, Bluetooth, WiMax, UWB (ultrawideband) and also other cellular radios. The first thing is really seamless connectivity, really making the transition from a single radio to multiple...
[July 2, 2004, 11:30]
NEC Solutions America And Public Safety Wireless Data
White Papers Such concepts as mobile Computer Aided Dispatch (CAD), field-based reporting, streaming video, and mobile office will become as commonplace to public safety agents as two-way radios and patrol vehicles are today.
[January 1, 1970, 0:59]
How Far Will It Transmit ?
White Papers Mobile radios have much better receivers primarily because they have room for much bigger and more effective filters. We will break our discussion down to cover two areas: traditional two way radio communications, and surveillance work.
[January 1, 1970, 0:59]
Secure Wireless Networking And IP Telephony Enable Great Canadian Gaming Corporation To Provide Unparalleled Service To Resort Guests
White Papers Great Canadian Gaming Corporation was seeking a way to untether resort staff from their desk phones, reduce the cost of cellular service, improve reach and reliability over two-way radios, and still ensure a secure local and wide area networking...
[January 1, 1970, 0:59]
Survival Training With The UN's ICT Specialists
News IT is integral to any relief project as, without the two-way radios, portable satellite terminals, and GPS receivers the technical specialists set-up, it is almost impossible for the rest of the aid agency personnel to communicate with each other...
[May 30, 2008, 15:05]
3G Masts 'safer Than 2G'
News This average power is significantly lower than the power levels of some other common types of transmitters, such as two-way radios used by taxis and emergency services," said Horton. For example, on average, a 3G mobile phone base station antenna...
[December 23, 2003, 9:20]
Intel Ready For Upswing
News For later delivery, Intel is working on chips for 802.11n, which "combines two radios to go all the way up to 150mbps," Chen said. Chen reiterated Intel's belief that computing and communications devices will converge so that the two capabilities...
[September 23, 2003, 11:55]
Am I Mad, In A Coma, Or Have I Gone Back In Time?
Blog Integrated circuits have practically _never_ replaced the coils in radios: rather importantly, inductors have been one of the two classes of component that have proved the most difficult to economically integrate.
[May 3, 2007, 9:43]
Rupert Goodwins' Diary
Blog Now everyone's got portable radios, she said, why don't the hospital radio mob do Wi-Fi? Those incarcerated at the NHS' pleasure once lacked for pocket radios and portable CD players; now it's email and their 20 favourite sites.
[January 14, 2005, 12:30]
Rupert Goodwins' Diary
Blog These radios I've bought, for example, have 22 channels. Clearly, a mischief-maker with evil intent and one of these radios could have a lot of fun. Incidentally, although it's normally illegal to listen to any of the frequencies my new radios...
[October 6, 2006, 18:55]
Mobile WiMax Standard Ratified
News Wi-Fi offers comparable data rates, but its radios transmit up to only about 50 feet. One of the things that makes Wi-Fi attractive is that the radios and chipsets that receive the signals are extremely inexpensive.
[December 9, 2005, 12:30]
Intel Shows Off Silverthorne And Tukwila
News Wireless radios are undergoing a very rapid series of evolutionary changes, to take us from discrete radios, largely analogue in nature, to integrated radios on a single chip doing multi-standard implementation", said Rattner.
[February 4, 2008, 17:14]
Verification Of Radio-Frequency Transceivers
White Papers The global market for portable communication products such as pagers, two-way radios, cordless phones, cellular phones, personal GPS receivers, wireless internet browsers, and portable video phones is growing at a rapid pace.
[January 1, 1970, 0:59]
An Overview Of The Security Of Wireless Networks
White Papers Wireless devices include cellular phones, two-way radios, PDAs, laptop computers, and similar. More and more applications are being accessed through wireless systems, including commerce, medical, manufacturing, and others.
[January 1, 1970, 0:59]
Wireless Application Protocol Using J2EE Platform
White Papers The WAP specification is a result of WAP Forum’s effort to develop a global wireless Internet standard, which brings information, and advanced services available on the Internet to mass market, hand-held wireless devices such as digital cellular...
[January 1, 1970, 0:59]
Here Comes Gadget Claus Part II
News At the other end are "free" wireless devices: Two-way radios with ranges up to 2 miles. Leading the way: Nintendo's Game Boy. DVD players rank fourth on the CEA's list of top video products for the Christmas season, behind VCRs and two categories...
[December 6, 1999, 9:06]
Rupert Goodwins' Diary
Blog They were standard accessories for Pye brand two-way radios in the 1970s, which either means the device is considerably ancient or that Q has a perverse fondness for classic wireless. About the size of a 1960s walkie-talkie, it comes complete with...
[September 17, 2004, 17:30]
Staying Out Late? Equip Yourself With These High Tech Gadgets (Part 1)
News Another key safety device on Halloween night is a pair of Motorola TalkAbout 280 SLK two-way radios. Then, let the participants find their way with a handheld GPS unit like the Garmin GPS Plus III. It's the witching hour.
[October 25, 1999, 9:51]
