<http://schema.org/description>
"The Voyager spacecraft use 23-watt radios. This is higher than the 3 watts a typical cell phone uses, but in the grand scheme of things it is still a low-power transmitter. The key to receiving the signals is therefore not the power of the radio, but a combination of three other things."^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/question431.htm>