Assertion: patch antenna | /r/HasProperty | narrowband
Facets:
value: notoriously
type: DEGREE
value: with a continuous metal layer
type: OTHER
Source sentences:
text: A patch antenna is a narrowband, wide-beam antenna fabricated by etching the antenna element pattern in metal trace bonded to an insulating dielectric substrate, such as a printed circuit board, with a continuous metal layer bonded to the opposite side of the substrate which forms a ground plane.
text: Rectangular patch antennas are notoriously narrowband; the bandwidth of rectangular microstrip antennas are typically 3%.