The 2.4GHz parabolic grid directional antennas offered by Laird Technologies utilize a patented parabolic grid design with a patented high performance dipole feed. The antennas are constructed of welded steel wires which are galvanized and then powder coat painted with a light gray epoxy paint. The wire grid semi-parabolic design offers unsurpassed low wind loading while maintaining good RF performance. The compact low visual impact attractive styling blends well in almost any application. Mounting is simplified with the Laird Technologies bracket system made of galvanized steel with stainless steel hardware. A super heavy duty "HD" bracket system is available for the 24dB grid. The antennas come with a 30" pigtail with choice of N male, N female or RPSMA connector.