No. of Elements 6 Channels Ch.5-12 Ch.21-69 Frequency Range 174-230MHz 470-862MHz Antenna Gain 3-5dBi 7-11dBi Beam Width H/V H360°V60° Front-back Ratio5-10dB 15-20dB Impedance 75Ω Antenna Length 440mm Reception Distance 100+Mile