Air Band 4-stack dipole array, aluminium, 118-137MHz, 250W, 7dBd – 7.0m

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

Specifications

Frequency

Air Band 118-137MHz

Bandwidth

Full frequency range stated - 19MHz

Gain

7.5 dBd

Maximum Power

250 Watts

Impedance

50 Ohms - nominal

HE Plane

H Plane: 240°, E Plane: 16°

Polarisation

Vertical

Construction

Corrosion resistant aluminium dipoles and boom

Connector

N-type female connector in base of mount section

Tuning

Factory at 1.5:1 VSWR

Dimensions

Height: 7.0m - including finnial, Boom dia: 48.4mm, Dipole o

Weight

30.0kg - excluding mounting hardware

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