HVU-610 Features: FREQUENCY: 52 / 145 / 435 MHz ( 52/146/445 MHz for AMERICA ) GAIN: UNITY(1/4λ) / 2.15 dBd(1/2λ) / 5.5 dBd(5/8λ x2) V.S.W.R. ≦2.0 POWER CAPCITY: 50W (MAX.) CONNECTION: NMO 100cm LONG