For example, 3G cell phones require multiple power amps (compared to one in each 2G phone) to support 2G and 3G air interface standards across multiple frequency bands.
The Chicago Board Options Exchange has chosen technology from Solarflare and Arista on 10 Gigabit Ethernet for high frequency trading across CBOE Holdings.
FORBES: CBOE Speeds up Network With Arista, Solarflare and 10-Gig Ethernet
There he witnessed several watershed moments in trading, including the decimalization of the exchanges, the splintering of the Nasdaq-NYSE duopoly and the rising role played by high-frequency traders across global markets.
The base unit transmits signals across an unused FM frequency, and the user can select from numerous radio stations with the tuner, which also has a "Tell Me More" button that can be used to obtain more information about songs being broadcast, or even to purchase MP3 files or CDs.
If you were to look at a waveform where you see how speech gets louder and quieter across time, the time between those peaks happens at a fairly predictable frequency of 3Hz to 8Hz across different languages.
From the British perspective, the long arm of American regulation has reached across the Atlantic with distressing frequency lately.
The report pointed out there were wide variations in the way obesity was treated across the UK - particularly in the frequency with which obesity surgery is performed.
Power companies and networking startups have spent years touting a technology called broadband-over-power lines, or BPL. In those systems, the utility sends a data signal across existing wires at a much higher frequency than electricity, so the two signals don't interfere.
John Jay High School is one of two schools piloting the programme, which eventually aims to equip all student badges across the district's 112 schools with radio-frequency identification (RFID) chips.
BBC: Pupil Hernandez, who refused to wear RFID, loses appeal
Not all planes across oceans have data-link capabilities, and high-frequency radio is still used with some flights and as a backup with others.
WSJ: How New Air-Traffic Control Systems Operate Over Oceans
Huawei Ascend P1 LTE is currently the device compatible with the highest number of frequency bands and is being tested on operators' networks across Europe, Latin America, North America, Asia-Pacific.
ENGADGET: Huawei Ascend P1 LTE named as EE exclusive in UK, other markets to follow
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