The Scala HDCA-5 is a ruggedly built yagi antenna, designed for professional FM transmit and receive applications. Like all Scala antennas, the HDCA-5 is made of the finest materials using state of the art electrical and mechanical designs resulting in superior performance and long service life.The HDCA-5 may be used stand alone or in stacked arrays for higher gain, increased side-lobe suppression, or custom azimuth patterns.Specifications:Frequency range: Any specified FM channel 88 to 108 MHzGain: 7.5 dBdPower gain: 5.62Impedance: 75 ohms (50 ohms with optional transformer)VSWR: <1.5:1Polarization: HorizontalFront-to-back ratio: >14 dBMaximum input power: 250 watts, type N 75 ohm terminationAzimuth pattern: 52 degrees (half-power)Elevation pattern: 68 degrees (half-power)Connector: 75 N femaleWeight: 21 lb (9.5 kg)Dimensions: 72.2 x 69.3 x 28.8 inches maximum (1834 x 1760 x 732 mm)Wind load at 100 mph (161 kph) Front: 81 lbf (360 N)Wind survival rating*: 120 mph (193 kph)Shipping dimensions: 78 x 6 x 5 inches maximum (1981 x 152 x 127 mm)Mounting: For masts of 2.375 inch (60 mm) OD.*Mechanical design is based on environmental conditions as stipulated in TIA-222-G-2 (December 2009) and/or ETS 300 019-1-4 which include the static mechanical load imposed on an antenna by wind at maximum velocity. Contact KBU for further details.