VU-1503 Features: FREQUENCY: 144-146MHz 430-440MHz (or 440-450MHz) GAIN: 3.0dBd / 5.5dBd V.S.W.R. LESS THAN 1.5 IMPEDANCE: 50 OHMS POWER CAPACITY: 200W CONNECTION: UHF PLUG(PL-259) LENGTH: 100 cm (39.37")