A cognitive radio that military officials believe can be sold for less than $500 per unit has passed its initial testing phase, and the project remains on track for realizing its goal of completing development of the devices in late 2010, according to an official for the Defense Advanced Research Projects Agency. In November, DARPA conducted what project manager Preston Marshall a "very, very successful" demonstration using the first 12 nodes - though not packaged in the ultimate radio form factor, the cards have been reduced to the proper size - built in the project.
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