Datacasting returns

Author
Aron Schatz
Posted
April 23, 2003
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1902
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Datacasting is when you take signal and piggyback another one off of it. This technology is making a comeback as it would seem.

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At present, FM radio supports datacasting over so-called subcarrier frequencies, which can deliver information at about 1.5 kilobits per second. That's sufficient for relatively light data needs, such as displaying a radio station's number on an LED screen or sending weather information to a digital watch--but little else. Yet, forthcoming digital enhancements could supercharge radio datacasting, providing feeds of up to 300kbps.

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