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T9A01 : What is a beam antenna?

  -  An antenna built from metal I-beams
  -  An antenna that transmits and receives equally well in all directions
  -  An antenna that concentrates signals in one direction
  -  An antenna that reverses the phase of received signals


Correct Answer : An antenna that concentrates signals in one direction
copyright 2007 JWB Solutions - release 0 ( version : 0.0.4 )
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