800-1990 MHz for dual band coverage.For the best signal in extra poor signal areas such as remote islands or hilly landscapes. This is a dual-band exterior Yagi antenna is designed to be placed on the roof of a building. It has a N-Female connector at the base of the antenna. This directional antenna comes with 2 U-bolts that allow you to attach the antenna to a pole up to 2" in diameter. Directional antennas like this work best when there is a basic line of sight to the tower. Package Contents •CM230-F 14dB Yagi antenna •Mounting Hardware Specifications Frequency Range 800-960 / 1710-2100 MHz VSWR <=1.5 Gain 11dB Power Rating (W) 14dBi / 11dBi Impedance 50 ohms Front to Back Ratio >=15dB Vertical Plane 50 / 40 Horizontal Plane 65 / 50 Polarization Vertical Maximum Input Power 50 W Coax Cable 7.2 inches Connector N-Female Dimensions 17.3 x 8 x 1,45 inches Weight 2.2 lbs