Sirio SD 27 Dipole CB/10 meter Base Antenna Base station antenna Factory tuned at mid-band High power handling capability Whip equipped whit waterproof jointing sleeve Made of aluminium alloy 6063 T-832 ype: Dipole Frequency range: 26-28 MHz Radiation (H-plane): Horizontal mounting: Directional Vertical mounting: Omnidirectional Gain: 0 dBd, 2.15 dBi Bandwidth @ SWR  2:  3750 KHz SWR @ res. freq.:  1.1 Max. power: 1000 Watts (CW) continuous 3000 Watts (CW) short time Feed system / position: Gamma match / center Connector: UHF-female Materials: Aluminium, Steel, Nylon Wind load / resistance: 80 N at 150 Km/h / 130 Km/h Wind surface: 0.07 m Length (approx.): 5420 mm Turning radius (approx.): 3050 mm for horizontal polarization Weight (approx.): 2560 gr Mounting mast:  35-50 mm