Sirio GP3E VHF Base Antenna 135-175Mhz



Sirio GP3-E is a VHF (135-175MHz) omnidirectional base station antenna, suitable for land and marine service and is tunable by cutting the whip length. Special Features: Base station antenna, Omnidirectional Suitable for land and marine service Low-gain, Mono-band Tunable by whip lenght adjust Protection from static discharges DC-Ground Made of aluminium alloy 6063 T-832 Technical Specifications: Electrical Data Type: 5/8λ ground plane Frequency range: tunable 135...175 MHz Impedance: 50Ω Radiation (H-plane): 360° omnidirectional Radiation (E-plane): beamwidth @ -3 dB = 67° Radiation angle: 18° Polarization: linear vertical Gain: 1.5 dBd - 3.65 dBi Bandwidth at SWR 2:1 : 6.7 MHz at 135 MHz SWR @ res. freq.: = 1.2 : 1 Max. Power (CW) @ 30°C: 200 Watts Grounding protection: All metal part are DC-grounded, the inner conductor shows a DC-short Connector: UHF-female - SO239 Mechanical Data Materials: Aluminium, Copper, Nylon Wind load / resistance: 28 N @ 150 Km/h / 150 Km/h Height (approx.): 1480 mm Weight (approx.): 570 gr Radial length (approx.): 530 mm Mounting mast: Ø 25-30 mm

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