But those bootleg versions have a more limited frequency range and can only receive signals, not transmit them.
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For a T cell to become active, it must receive signals from another part of the immune system called an antigen-presenting cell.
Everything is thus in place for a display unit that can both extract power from the outside world and also receive signals from it.
Alon Ironi runs Siano Mobile Silicon, an Israeli firm that makes the specialty TV receiver chips that receive signals encoded using the unique Chinese standards.
The problem with the craft's back-up radio was that it could only receive signals in a very narrow frequency range which turned out to vary according to its temperature.
One of Google's trials is in Cape Town, South Africa, involving a "base station" that broadcasts the signals with a range of several miles, and wireless access points, or small boxes that receive the signals.
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The technology works by identifying the unoccupied white spaces to transmit and receive wireless signals.
Again, this mimics a singly-capable Tricorder device where hand-held electronics receive wireless signals about the temperature inside your body.
Local television stations are beginning to go digital, too, and people will need set-top boxes to receive their signals.
Antennae on planes receive these signals just as would a 3G cellphone.
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Notably, the deal wouldn't require the companies to include technology in their radios allowing consumers to receive digital signals from local radio stations.
Sky Angel hired outside vendors to develop small boxes that could receive encrypted signals over the Internet and deliver them to television sets.
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The concerns stem from the emissions of radio frequency (RF) radiation by both the handsets and the base stations that transmit and receive the signals.
Use of these white spaces will allow devices to transmit and receive wireless signals for applications such as broadband access for rural communities, Wi-Fi-like services or new 'machine-to-machine' networks.
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MicroChips' titanium-encased device is about the size of a pager and has a novel flat antenna on one side that can transmit and receive radio signals from several feet outside the body.
The firm was founded in the early 1990s by several academic researchers, including Axel Ullrichof Germany's Max Planck Institute for Biochemistry, who had been studying receptors on the surface of cells that receive growth signals from other parts of the body.
To receive micro-signals from the insects would require a dish "quite close and several feet in diameter, rendering it a less than covert operation".
Millions of cable customers have only the most basic service, sometimes with boxes that receive only traditional analog signals, which take up far more bandwidth than digital signals.
As for revving up revenue, the company planned to wire its fleet with technology that would allow passengers to receive cell-phone signals and connect wirelessly to the Internet--without interfering with electronic transmissions to and from the cockpit.
The fact is the marketplace is littered with dozens of novelty watches, all of which tell time well, and which do such things as receive Global Positioning Systems signals, change the channel on TV sets, take pictures and store contact lists like a personal digital assistant.
Buyers and sellers receive and send clear price signals to inform business decisions.
Siano's chips can receive both satellite and terrestrial signals--an unusual combination that will eventually make the network more affordable, Ironi predicts.
Because modern engines, drivetrains, and brakes already receive their instructions via electronic signals, there is surprisingly little need for additional mechanical parts.
When the company plans to start selling such a device and whether it would receive traditional broadcast or cable signals remains unclear, said these people, who say Apple may change its plans.
The idea is that a person would operate a robotic device remotely, but would receive or "feel" signals from a dangerous environment, such as a nuclear reactor or the surface of another planet.
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While most people get their broadcast channels as part of a pay-TV package that usually includes cable channels, consumers with newer TVs, or an inexpensive converter for old TVs, can receive over-the-air signals from broadcast stations free in areas with good reception.
Then there is the antenna needed for Bluetooth, and Wi-Fi if it is built in, and one for the GPS receiver, and if you have mobile TV capabilities built in there will be another antenna to receive, say the MediaFLO TV signals on 700 MHz.
Did the smoke signals work without a mother to receive them?
But the broadcasters accuse EchoStar of selling distant signals to customers even if they can receive local stations.
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