DIAMOND AMATEUR ANTENNA AZ507 Dualband Mobile Antenna Request product info Specification Length:0.75m / Weight:120gGain:2.15dBi (144MHz), 4.9dBi (430MHz) / Max.power rating:50W(FM)Impedance:50ohms / VSWR:Less than 1.5 / Connector:M-PType:1/2wave radialless(144MHz),2x5/8wave radialless(430MHz)Nickel titanium our brands