Omnidirectional high gain marine VHF collinear, white, 156-162 MHz, N-type female, 50W, 5.1 dBi – 3.4m

Omnidirectional high gain marine VHF collinear, white, 156-162 MHz, N-type female, 50W, 5.1 dBi - 3.4m

Product code: B20G-N

The ZCG Scalar B20G-N marine VHF collinear antenna is a high-performance omnidirectional antenna designed for reliable marine communication systems operating in the 156-162 MHz VHF band. Ideal for maritime safety, commercial vessels, port infrastructure, and coastal communication networks, the B20G-N delivers dependable coverage where consistent signal performance is critical.

Featuring 5.1 dBi gain, the B20G-N provides enhanced range and improved signal strength compared to standard unity gain marine VHF antennas, supporting clearer and more reliable communications across busy marine channels. The omnidirectional radiation pattern ensures uniform coverage, making it well suited for vessel-to-vessel, vessel-to-shore, and harbour communication systems.

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Frequency

156-162 MHz - Marine VHF

Bandwidth

Full frequency range stated - 6 MHz

Gain

5.1 dBi

Tuning

Factory at 1.5:1 VSWR for emergency channels and <2.8:1 VSWR rest of band

Impedance

50 Ohms

H Plane beamwidth

360° omnidirectional ± 0.5 dBd

E Plane beamwidth

48°

Maximum Power

50 Watts

Polarisation

Vertical

DC grounded

Yes

Construction

White tapered fibreglass radome, 304 stainless steel mount section and external N-female connector

Connector

N-type female at base of mount section

Dimensions

Height: 3.4m, Mounting section: 500mm x 32mm O.D.

Weight - kg

1.5

Wind load at 160kph

0.066kN ; 6.696kg

Working Temperatures

-20°~+65°C

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