DX Antenna, BC453, 45 Type BS, 110 Degree CS Antenna, Release Date: 06-01, 2015. Assembly includes 1 bolt, no-installation design. The bolt tightening required to assemble the antenna. Compared to previous models, it is less likely to get stained. The surface of the reflector has been made with a high grain and glossy coating, so dirt can be wiped off easily. BS antenna single unit (mounting hardware and cable not included); Specifications: Antenna effective diameter: 17.7 inches (45 cm); Reception frequency (GHz): 11.71 - 12.75 cm); Converter output frequency (MHz): 1032 - 2072; Reception polarization: Right-turning polarization; Antenna gain (dB): BS: 334.1 (standard); Converter gain) 3 (Standard) / Converter. Noise index (dB): 0.45 (standard); Converter power supply: DC 15 V; Up and down angle adjustment range: 0.9 - 2.6 inches (23 - 56 mm) (when in intermediate installation); Compatible mat diameter: 1.0 - 1.9 inches (25 - 49 mm).