Designed with the professional installer in mind, the 75 Ohm downlead coupler simply snaps into place for fast, easy assembly; eliminates the need for matching transformers when using coax cable. Winegard Platinum HD antennas deliver powerful VHF performance and offer additional 1 dB to 2 dB higher gain on VHF and UHF, important for weak signal areas. Outstanding UHF reception achieved by precise director spacing and highly efficient corner reflectors. Steel hardware is zinc plated for maximum corrosion resistance; flexible polyethylene boot covers protect connections from the weather. Engineered for extra strength with double boom braces, high-impact ABS girder design and support insulators.