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Vector 4000 (sigma 4)


5.0 average, based on 1 reviews

Manufacturer: Sirio Antenna

Stock Level: 1

Product Information


Vector 4000 (sigma 4)



CB Base station antenna
Factory tuned at mid-band
Tunable by whip length adjusting
High power handling capability
Made of aluminium alloy 6063 T-832
P/N 2100701.00    VECTOR 4000


Electrical Data
Type: 7/8 λ coaxial J-pole
Frequency range: 26-28 MHz
Impedance: 50Ω unbalanced
Radiation (H-plane): 360° omnidirectional
Polarization: vertical
Gain: 2 dBd, 4.15 dBi
Bandwidth at S.W.R. 2:1: 1350 KHz
S.W.R. at res. freq.: ≤ 1.2:1
Max. power:
 1000 Watts (CW) continuous
 3000 Watts (CW) short time
Feed system / position: Gamma match / base
Connector: UHF-female
Mechanical Data
Materials: Aluminium, Steel, Nylon
Wind load / resistance: 329 N at 150 Km/h / 130 Km/h
Wind surface: 0.29 m²
Height (approx.): 9500 mm
Weight (approx.): 4600 gr
Mounting mast: Ø 35-42 mm

We regret that due to the size of the Parcel we can only send this to addresses in UK mainland only

Product Code: VECQ24

Customer Reviews

Average Rating: 5

Vector 4000 Review

For an in depth review of this terrific antenna, please take a look at

Anonymous :: Nov 21 2009, 14:41 PM

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