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Sensors, radio transmitters and GPS modules all feature low power consumption. All it takes is a few milliwatts to run them. Energy from the environment -- from sources such as light or vibrations -- ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Harris at IBC2007 introduced its DMB 670, a Digital Audio Broadcasting (DAB) transmitter designed ...

Way back in the 1980s, when I was a young naval officer, the Global Positioning System was still in its experimental stage. If you were in the middle of the ocean on a cloudy night, there was pretty ...