Tram 1180 150-Watt Pretuned Dual-Band 144 MHz to 148 MHz VHF/430 MHz to 450 MHz UHF Amateur Radio Antenna with NMO MountingTram 1180 150 Watt Pretuned Dual Band 144 MHz to 148 MHz VHF 430 MHz to 450 MHz UHF Amateur Radio Antenna with NMO Mounting 150 watts power rating; Pretuned ; Frequencies: 144 MHz to 148 MHz, 3 dBD gain; and 430 MHz to 450 MHz, 6 dBd gain; 37 1 2 in. tall with stainless steel whip; Gold plated plunger type contact pin; Chrome plated solid brass base; NMO mounting; Mount sold separately;