Length: 5.0m / Radial length:approx.52cm / Weight: 2.2kg /Gain:8.3dB (144MHz), 11.7dB (430MHz),13.7dB(1200MHz) Max.power rating: 100W FM(144/430MHz), 60W FM(1200MHz), Total 100W FM / Impedance: 50ohms / VSWR: Less than 1.5:1 / Rated wind velocity: 40m/sec. / Mast diameter accepted: 30mm to 62mm / Connector: N-J / Type:3x5/8wave C-Load(144MHz), 8x5/8wave C-Load(430MHz),14x5/8wave C-Load(1200MHz), FRP outershell