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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