What signal required to create 30Hz - 100 Hz frequencies

[fleart1]

What would be required from a transmitter to send a signal in the H or E field and create a 30hz -2.5Ghz frequency 15 feet away on a receiving antenna?

 

[ramussons]

".... 30hz -2.5Ghz frequency 15 feet away..."

Did you say 30 Hz?

To start with, An Antenna array covering a few hundreds of square kilometers.