What equipment is best to transmit a wave?

andreus | 12:10 Mon 30th Apr 2007 | Science

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What is the best sort of equipment to transmit a (EM) wave between the range of 1Hz and 20Khz (or higher)? Are these stand-alone units or are there any available that can be controlled through a computer (USB connection)?

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pug100

Hi andeus
Do you mean an audio wave thorugh the air or down a wire or by other means?

andreus

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Hi ...

Thank PUG100

I meant an electromagnetic wave, not a sound wave.

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