The term Radio Frequency (RF or rf) refers to the electromagnetic field that is generated when an alternating current is input to an antenna. This field, also called an RF field or radio wave
This can be used for wireless broadcasting and communications and many other purposes over a significant portion of the electromagnetic radiation spectrum
In vacuum, all electromagnetic waves travel at the speed of light: c = 3x108 m/sec.
RADIO FREQUENCY
Wednesday, July 21, 2010Posted by legend at 4:31 AM
Subscribe to:
Post Comments (Atom)
0 comments:
Post a Comment