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Omni-directional VHF ruggedised collinear, white, 148-174MHz, specify 1%, 250W, 3dBd – 3.5m

Ruggedised omnidirectional VHF high band collinear antenna, white, 148-174 MHz, specify 1%, 250W, N-type female, 3 dBd - 3.5m

Product code: G21-R

The G21 omni-directional VHF collinear is designed for commercial paging, trunking and general commincation systems operating within the 148-174MHz frequency range. ZCG recommend mounting the G21 as high as possible using 2 x UAM180L or 2 x UAM90L mounting hardware.

Download Installation Guide

Specifications

Frequency

148-174 MHz - VHF high band

Bandwidth

Specify any 1% bandwidth on order

Gain

3 dBd

Tuning

Factory at 1.5:1 VSWR

Impedance

50 Ohms

H Plane beamwidth

360° omnidirectional ± 0.5 dBd

E Plane beamwidth

32°

Maximum Power

250 Watts

Polarisation

Vertical

PIM 3rd Order (2x20W)

<120 dBc

DC grounded

Yes

Construction

White thick walled fibreglass radome, thick walled anodised aluminium mount section and tri-metal plated N-female connector

Connector

N-type female fitted to base of mount section

Dimensions

Height: 3.5m when scaled at 148 MHz, Mount section: 1.0m x 48.4mm O.D.

Weight - kg

4

Wind load at 160kph

0.149kN ; 15.231kg

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