Sirio SA 270 SN VHF/UHF Fiberglass Hi-Gain Dual Band Antenna

Model: sa270snShipping Weight: 3.5lbsManufactured by: Sirio AntennaGround Plane colinear dual-band antenna for base station service working on the radio-amateur frequency of 2m/70cm. The radial whip is of brass inserted in a conic fiberglass tube for a perfect protection from the worst climates and the radials are of stainless steel to get the maximun strength. They are supplied with a solid aluminium bracket for an easy installation on the support mast. Works for for VHF 143-149 MHz, UHF 440-450 MHz Electrical Data Type: VHF: 1/2‘é colinear UHF: 2 x 5/8‘é colinear Frequency range @ SWR äŠ_2: VHF 143-149 MHz, UHF 440-450 MHz Impedance: 50‘© Radiation (H-plane): 360ŒÁ omnidirectional Radiation (E-plane): VHF: beamwidth @ -3 dB = 68ŒÁ UHF: beamwidth @ -3 dB = 36ŒÁ Radiation angle: 0ŒÁ Polarization: linear vertical Gain: VHF: 1 dBd - 3.15 dBi UHF: 3.3 dBd - 5.45 dBi Max. power (CW) @ 30ŒÁC: 200 Watts Grounding protection: all metal parts are DC-grounded, the inner conductor is coupled capacitively Connector: N-female, gold plated central pin Mechanical Data Materials: Fiberglass, Aluminium, Brass, Stainless Steel Wind load / resistance: 37 N @ 150 Km/h / 200 Km/h Wind surface: 0.03 mŒ_ Height (approx.): 1325 mm Weight (approx.): 810 gr Radial length (approx.): 170 mm Mounting mast: íÖ 35-54 mm