Billboard with concealed antenna for cellular phone

Abstract

Advertising billboard with the ability to completely hide antennas for cellular telephones, or similar, in its interior without producing shielding of the exit and entrance of the electromagnetic waves for the telephony service, thanks to the provision of a discreet amount of windows permeable to the waves electromagnetic stripping of metallic materials the area of the windows. The windows are covered with laminar patches of non-metallic material permeable to electromagnetic waves, preferably FGRP fiberglass reinforced plastic; in combination with the traditional metal profiles, there are included alternate profiles of non-metallic material permeable to electromagnetic waves, which fall within the area of said window or aperture on the cover of the grid, in order to allow the inner antennas to the billboard rendering the normal service without shielding the electromagnetic signals, but hidden inside the billboard.

Dependencies are inferred from the claim text.