is like television without the
dead radio stars
amusing graphics. Or an internet
that does not require the ability to read and with significantly fewer cat
It involves the broadcasting of coherent audio signals encoded into specified frequencies of the electromagnetic spectrum. These waves can then be intercepted with an appropriate antenna and tuned oscillating circuit, and decoded, amplified, and listened to via loudspeakers of your choice. The simplest receivers are all in one small package, and often run on batteries. The most complex involve many separate components, all carefully selected for their ability to produce the highest possible quality listening experience
. There are also radios built to receive a large number of frequency bands.