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Broadband Air Band 4-stack dipole array, aluminium, 118-137 MHz, 250W, N-type female, internal power divider, 7.5 dBd – 7.0m

Broadband Air Band 4-stack dipole array, aluminium, 118-137 MHz, 500W, N-type female, internal power divider, 7.5 dBd - 7.0m

Product code: S4B42-1C

The S4B42-1C stacked dipole array antenna consist of 4 folded dipoles phased with an internal power divider, configured in a vertical dipole array. This results in a true broadband coverage of the entire Air band 118-137MHz frequency, high gain performance at 7.5 dBd and effective performance at better than 1.5:1 VSWR. The S4B42-1C dipole binary array is a fixed position dipole array antenna for ground-to-air communications suitable for either a civillian or military installation. The S4B42-1C dipole array is ideally mounted using a bottom, central and top mount clamp to ensure no mechanical movement or flexing of the boom.

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Specifications

Frequency

118-137 MHz - VHF Air band

Bandwidth

Full frequency range stated - 19 MHz

Gain

7.5 dBd

Tuning

Factory at 1.5:1 VSWR

Impedance

50 Ohms - nominal

H Plane beamwidth

240°

E Plane beamwidth

16°

Maximum Power

500 Watts

Polarisation

Vertical

DC grounded

Yes

Construction

Welded corrosion resistant boom, aluminium folded dipoles, internal power divider and external N-female connector

Connector

N-type female connector in base of mount section

Dimensions

Height: 7.0m - including finnial, Dipole stand-off: 528mm, Boom diameter: 48.4mm O.D.

Weight - kg

30

Wind load at 160kph

24.0kg

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