Frequency Range: 137-174MHz , 420-470MHz (Dual Band) Impedance: 50 Ohm Gain: 2.15 dBi(150MHz) , 3.8 dBi(450MHz) VSWR: Below 1.5 Polarization: Vertical Radiation: Omni Input Power: 100 W Polarization: Vertical Height: 49 cm Connector: PL-259 Radiation Material: Stainless Steel Cable Length: 3 Meter