Hand Portable
VHF flexible helical whip – 148-174MHz, 5/16″- 26 TPI female thread, 25W, 2.1dBi – 315mm

VHF flexible helical whip – 148-174MHz, 5/16″- 26 TPI female thread, 25W, 2.1dBi – 315mm

VHF high band flexible helical whip, 148-174 MHz, 5% field tune, 5/16"-26 brass female thread, 25W, 2.1 dBi - 315mm

Product code: M99RT-148

The M99RT-148 highly flexible VHF high helical whip antenna is specifically designed to fit to any base with a 5/16"-26 brass male thread like our OB-4.7 cable mount base or MGB-OB magnetic mount base. The small and flexible helical design allows the M99RT-148 VHF high band whip antenna is able to withstand external contact with infrastructure whilst maintaining the capability to return to the optimal vertical polarisation.

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Specifications

Frequency

148-174 MHz - VHF high band

Bandwidth

Any 5% bandwidth within range.

Gain

2.1 dBi

Tuning

Field tune using SWR meter, network analyser or sitemaster. Please note a multimeter is not suffice

Impedance

50 Ohms

H Plane beamwidth

360° omnidirectional ± 0.5 dBd

Maximum Power

25 Watts

Polarisation

Vertical

Construction

Black heatshrunk outer jacket, stainless steel helical whip core and chrome mount ferrule

Connector

5/16"-26 brass female thread inside mount ferrule

Dimensions

Height: 315mm, Mount thread: 5/16"-26 brass female

Weight - kg

0.066

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VHF high band flexible helical whip, 148-174 MHz, 5% field tune, 5/16"-26 brass female thread, 25W, 2.1 dBi - 315mm

Product code: M99RT-148

Specifications

Frequency

Bandwidth

Gain

Tuning

Impedance

H Plane beamwidth

Maximum Power

Polarisation

Construction

Connector

Dimensions

Weight - kg

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