No. of Elements 10Channels Ch.5-12/28-40Frequency Range 174-230/526-617MHz Antenna Gain6.4dBi/12.6dBiBeam Width H/V H55°/V60°H80°/V100°°°°Front-back Ratio10-15dB Impedance 75Ω Antenna Length 1120mm Reception Distance 40Mile