CX440

Sirio CX-440 (440-455MHz)

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Sirio CX 440 - Omnidirectional Base station 446 antenna

A good quality base antenna ideal for use on the PMR446 band.

The antenna can be tuned from 440-455MHz.
Features:
• Base station antenna, Mono-band
• Omnidirectional
• Protection from static discharges DC-Ground
• Made of aluminium alloy 6063 T-832

Electrical data:
• Type: 3/4λ coaxial J-pole
• Frequency range 440-455MHz
• Impedance: 50Ω unbalanced
• Radiation (H-plane): 360° omnidirectional
• Radiation (E-plane): beamwidth at -3 dB = 60°
• Polarization: vertical
• Gain: 2dBd - 4.15 dBi
• Bandwidth at S.W.R. 2:1: 33.5 MHz
• S.W.R. at res. freq.: ≤ 1.2:1
• Max. power: 250 Watts
• Feed system / position: gamma match / base
• Connector: N-female

Mechanical data:
• Materials: Aluminium, Brass, Steel, Nylon
• Wind load / resistance: 25 N at 150 Km/h / 180 Km/h
• Wind surface: 0.02 m2
• Height (approx.): 588 mm
• Weight (approx.): 450 gr
• Mounting mast: Ø 35-42 mm
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