Tram Browning 1191 Amateur Dual Band Glass Mount Antenna UHF 440-450 MHz and VHF 144-148 MHz PL-259 for Icom HYT Vertex Mobiles two way radio antenna VHF 144-148 MHz 2.5 dBd gain UHF 440-450 MHz 4.5 dBd gain Max power 50 Watts VSWR less than 1.5:1 28 1/2" Height