Sirio CX-4-78 Base Antenna
The Sirio CX-4-78 is a 4m band base antenna, this one is designed to work between 78 and 83MHz.
Features:
Base station antenna.
Mono-band.
Low-gain.
Omnidirectional.
Protection from static discharges DC-Ground.
Made of aluminium alloy 6063 T-832.
Electrical Features:
Type: 3/4 coaxial J-pole.
Frequency range: tunable 78-83MHz.
Impedance: 50Ohm.
Radiation (H-plane): 360° omnidirectional.
Radiation (E-plane): beamwidth -3 dB = 60°.
Radiation angle: 3°.
Polarization: linear vertical.
Gain: 2dBd - 4.15 dBi.
Bandwidth SWR 1.5: 2.5MHz - 78MHz.
SWR: 1.2.
Max Power (CW) 30°C: 500W.
Grounding protection: All metal parts are DC-grounded, the inner conductor shows a DC short.
Connector: UHF-female.
Mechanical Features:
Materials: Aluminium, Brass, Stainless Steel, Nylon.
Wind load / resistance: 97 N 150 Km/h / 150 Km/h.
Wind surface: 0.08 m².
Height (approx.): from 2700 to 3360mm.
Weight (approx.): 1900g
Mounting mast: 35-42mm.
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