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802.11a in Europe: Harmonization of the 5-GHz Spectrum Ends Patchwork of Frequencies and Simplifies Deployment
White Papers Agreement over the frequencies and power levels used, called "harmonization" of the spectrum, significantly simplifies deploying 802.11a across Europe. 802.11a, with higher throughput and greater channel diversity than 802.11b, is regarded as the...
[August 6, 2007, 23:52]
Assigning Frequencies in GSM Networks
White Papers This paper investigates how to largely prevent interference in GSM networks by carefully assigning the available frequencies to the installed base stations. Mobile communication is a key technology in today's information age.
[November 17, 2005, 23:00]
Ridiculously high frequencies for Olympic HD
Blog Even today, that's a fabulously high frequency to be dealing with - the highest radio frequencies you'll encounter in everyday gadgetry will be five, rarely ten, GHz. At those frequencies, there is a lot of bandwidth.
[August 12, 2008, 23:56]
A Comparison of RFID Frequencies and Protocols
White Papers In Aug 2004, ISO 18000-3 Mode 2 the new RFID global standard at 13.56 MHz was formally published by the International Standards Organization, ISO/IEC, after five years of intensive international efforts by JTC1/SC31 committee member experts from...
[August 7, 2007, 2:32]
FitPlan.com FltDeck Airport FBO Info Guide
Downloads Flt Deck Airport/FBO Info Guide includes: Airport and City Names Fuel Availability Time Zone info AOE info Frequencies for Tower, Ground, Clearance Delivery ATIS and AWOS frequencies FBO Names, Phone numbers, and frequencies longest runway length
[August 21, 2008, 8:00]
Google could bid for UK wireless spectrum
News Google may be considering bidding for wireless spectrum in the UK after regulator Ofcom proposed the liberalisation of key frequencies. On Thursday Ofcom announced that it wanted to open up the 900MHz and 1800MHz frequencies — currently used for...
[September 21, 2007, 14:23]
Fresh calls for 3G over 2G spectrum
News Mobile operators have renewed calls to open up GSM radio frequencies for the delivery of 3G data. G currently operates around 2000MHz, but employing lower frequencies would allow transmission over greater distances, as well as better indoor...
[June 25, 2007, 14:16]
Graphiccelerator
Downloads This tool can do two related things: Display and modify core and memory frequencies stored in a flashing utility (ATI only). Display and modify core and memory frequencies stored in a ROM (ATI and NVIDIA).
[April 2, 2004, 8:00]
France legalises Bluetooth
News France's National Agency of Radio Frequencies (ANFR) removed a major obstacle to the introduction of new wireless technology last week, raising a controversial ban on military range radio frequencies.
[July 17, 2000, 9:33]
Griffin iTrip Station Finder
Downloads Assists iTrip owners in finding clear frequencies in over 200 cities and towns in the United States. The new iTrip Station Finder application makes this process much easier and faster by suggesting the frequencies that have the least interference...
[December 8, 2003, 7:00]
A new threat from the datacentre: you're making your staff deaf!
Blog Comment Thanks for the pointer on sound frequencies .this is something I am guilty of theorising about, It makes total sense that the frequencies would almost become one. Of course headphones, an ideal solution, they do work extremely well,
[July 21, 2008, 1:10]
CB Radio Simulator
Downloads This programme allows you to select a preset PLL type and it shows you what its circuitry layout and what the various internal frequencies are for each channel, also gives you the ability to simulate frequency conversions, so you can test it...
[September 12, 2009, 17:04]
CB Radio Simulator
Downloads This programme allows you to select a preset PLL type and it shows you what its circuitry layout and what the various internal frequencies are for each channel, also gives you the ability to simulate frequency conversions, so you can test it...
[September 12, 2009, 17:04]
A Full Bandwidth Calibrator for a Sound Pressure and Particle Velocity Sensor
White Papers In literature it is shown that it is possible to calibrate a sound pressure and a particle velocity sensor in the free field at higher frequencies. At lower frequencies this setup does not work. In this paper the method is extended for lower...
[July 8, 2008, 1:01]
A new threat from the datacentre: you're making your staff deaf!
Blog Comment Even so, I think Roger's comment about the different frequencies may be incorrect as the cancellation algorithm would focus on the total sum of the frequencies produced which would, for the most part, be within a similar frequency range.
[July 15, 2008, 4:59]
Rife Generator
Downloads Features: Uses standard sound card; Generates frequencies 20Hz-22kHz (sine/square/triangle); Pulsed signals with variable duty cycle 1-99%; Extensive scripting capabilities (Macros) ; Preset storage and recall; Change frequencies directly by...
[August 9, 2005, 1:44]
Relief over radio mic spectrum
Blog A lot of people involved in live entertainment and events were probably raising a glass or two to Ofcom last night after the regulator announced new proposals for the radio frequencies used by wireless microphones.
[June 21, 2007, 16:16]
MPEG-Layer 3 Bitstream Syntax and Decoding
White Papers This standard defines the bitstream for audio signals with sampling frequencies of 32 kHz, 44.1 kHz and 48 kHz. This allows to use sampling frequencies of 16 kHz, 22.05 kHz and 24 kHz. Furthermore, even lower frequencies then those specified by ISO...
[October 6, 2003, 6:56]
AMD's quad-core Barcelona coming in August
News The first Barcelona models, formally called Quad-Core Opteron, will run at clock frequencies up to 2GHz and will be available in standard and low-power versions. For another, a chip with four cores consumes more power than an otherwise comparable...
[July 2, 2007, 8:26]
Mobile can fill in UK broadband gaps, says 3
News Hugh Davies, 3's director of corporate affairs, said on Thursday that the use of lower frequencies could help roll out mobile broadband in rural areas due to their superior range, but discussions around the release of such spectrum were still "edgy".
[July 10, 2009, 16:32]
