Engineers at Stanford University have developed a miniature radio that is about the size of an ant, which can be cheap and small enough. At the same time it can help realize the Internet of Things (ie, the world through which the daily necessities of data are sent and received over the Internet).
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The radio is built on a piece of silicon that is only a few millimeters in size and can fit into the United States radio. The problem with secret radios is the lack of batteries. Its power requirement is enough for frugality, it can harvest the radio field near it. Energy is extracted from broadcast sources, but Stanford's radio has more powerful equipment with simpler processing capabilities, a university representative said. This means that it can query a sensor for its data and send it when needed.
The device operates in the 24GHz and 60GHz frequency bands and is suitable for communications that exceed tens of centimeters. Engineers envision one day connecting to the Internet via tiny radios. The data from the device is expected to help realize smarter, more energy-efficient homes, although much work has not yet been figured out. 