The ERI 100A Series antenna is the latest development in ERI’s acclaimed ROTOTILLER style FM antenna. 100A Series antennas are specially designed for non-pressurized, translator and low power FM applications.This antenna, the 100A-4F-HW, offers four bays, 1.18 power gain, 0.704 dB gain, half wave length bay to bay spacing (that limits RFI problems by reducing downward and upward radiation) and a 2kW power rating. Click.Mounting brackets and attachment hardware suitable for round members up to a 4-inch diameter are included. Optional stand-off pole mounting brackets and antenna input jumper cables are also available.ERI 100A Series Features:FM Translator and low power FM applicationsCircular polarizationLight weight and low wind load designEconomically pricedERI 100A-4F-HW Features:1.18 power gain0.704 dB gainInput: 7-16 DIN FemaleInput feed configuration: Branch2kW power ratingWeight: 100 lbs.Weight with half-inch of ice: 225 lbs.