SIRIO GP 3 F BASE We are unable to ship items over 1.60 meter for a reasonable price. Features: • Base station antenna, Omnidirectional • Low-gain, Mono-band •Suitable for land and marine service • Tunable by whip lenght adjust • Protection from static discharges DC-Ground • White fiberglass conic whip and radials • Side mast mounting allowed by optional bracket FT-3 code 2511301.00 P/N 2108020.00 GP 3-F Electrical Data • Type: 5/8λ ground plane • Frequency range: tunable from 135 to 175 MHz • Impedance: 50Ω unbalanced • Radiation (H-plane): 360° omnidirectional • Radiation (E-plane): beamwidth at -3 dB = 68° • Radiation angle: 25° • Polarization: vertical • Gain: 1.5 dBd - 3.65 dBi • Bandwidth at V.S.W.R. 2:1: 4.8 MHz at 135 MHz • V.S.W.R. at res. freq.: ≤ 1.2:1 at 135 MHz • Max. power: 200 Watts • Feed system / position: transformer DC-ground/ base • Connection: UHF-female Mechanical Data • Materials: Fibreglass, Chromed Brass, Nylon • Wind load / resistance: 23 N at 150 Km/h / 150 Km/h • Wind surface: 0.02 m² • Height (approx.): 1335 mm • Weight (approx.): 585 gr • Radial length (approx.): 470 mm • Mounting mast: Ø 25-30 mm