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Look - This is the Sirio Vector 4000 (Sigma IV Type) 7/8 wave Base CB Aerial Antenna.
Features:
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CB Base station antenna
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Omnidirectional
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Factory tuned at mid-band
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Tunable by whip length adjusting
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High power handling capability
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Made of aluminium alloy 6063 T-832 |
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P/N 2100701.00 VECTOR 4000
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| Electrical Data |
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Type: 7/8 λ coaxial J-pole |
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Frequency range: 26-28 MHz |
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Impedance: 50Ω unbalanced |
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Radiation (H-plane): 360° omnidirectional |
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Polarization: vertical |
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Gain 4.5db |
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Bandwidth at S.W.R. 2:1: 1350 KHz |
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S.W.R. at res. freq.: ≤ 1.2:1 |
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Max. power:
1000 Watts (CW) continuous
3000 Watts (CW) short time |
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Feed system / position: Gamma match / base |
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Connector: UHF-female |
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| Mechanical Data |
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Materials: Aluminium, Steel, Nylon |
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Wind load / resistance: 329 N at 150 Km/h / 130 Km/h |
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Wind surface: 0.29 m² |
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Height (approx.): 9500 mm |
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Weight (approx.): 4600 gr |
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Mounting mast: Ø 35-42 mm |
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