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Omnidirectional VHF high band inverted mounting collinear, 148-174MHz, specify 1%, 250W, N-type female, 3dBd – 3.5m

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

Product code: G21INV

The G21INV in the inverted configurated model of our standard G21 VHF collinear. The inverted model has a sealed connector base and mount section and drain hole in the top cap. This design cannot be standard vertical mounted, please utilise standard G21.

Specifications

Frequency

148-174 MHz - VHF high band

Bandwidth

Specify any 1% within frequency range when ordering

Gain

3 dBd

Tuning

Factory at better than 1.5:1 at specified 1% bandwidth

Impedance

50 Ohms

H Plane beamwidth

360° omnidirectional ± 0.5 dBd

E Plane beamwidth

32°

Maximum Power

250 Watts

Polarisation

Vertical - inverted configuration

PIM 3rd Order (2x20W)

<120 dBc

DC grounded

Yes

Construction

White parallel fibreglass radome, anodised aluminium mount section and external N-female connector

Connector

N-type female at base of mount section/ top of antenna

Dimensions

Height: 3.5m when scaled at 148 MHz, Mount section: 500mm x 40mm O.D.

Weight - kg

4.0

Wind load at 160kph

0.06kN ; 6.0kg

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