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Marine and Land Based VHF Antenna: Electrical Specifications

The CX4-2 is an omnidirectional dipole antenna made of premium corrosion-resistant materials like brass radiating elements. It has been in use for over four decades and can withstand harsh marine and land environments. The antenna has a frequency range of 146-162.5 MHz, 50-ohm impedance, 100-watt power rating, 0/3 dB gain, and VSWR below 1.5:1. It is 1.26 meters long, weighs 0.5-1.1 kilograms, and has an IP66 ingress protection rating for temperatures from -55 to 60 degrees Celsius.

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Carlos Coelho
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104 views2 pages

Marine and Land Based VHF Antenna: Electrical Specifications

The CX4-2 is an omnidirectional dipole antenna made of premium corrosion-resistant materials like brass radiating elements. It has been in use for over four decades and can withstand harsh marine and land environments. The antenna has a frequency range of 146-162.5 MHz, 50-ohm impedance, 100-watt power rating, 0/3 dB gain, and VSWR below 1.5:1. It is 1.26 meters long, weighs 0.5-1.1 kilograms, and has an IP66 ingress protection rating for temperatures from -55 to 60 degrees Celsius.

Uploaded by

Carlos Coelho
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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CX4-2

Marine and Land Based VHF Antenna


CX4-2 is an omnidirectional dipole antenna. The CX4-2 is manufactured in
premium quality materials in order to prevent galvanic corrosion. Radiating
elements are made of brass.

CX4-2 has been sold worldwide for more than four decades. The antenna is
subject for improvement at all times. The antenna has the same rugged design
as all other AC Antennas products thus it withstands harsh environmental
conditions, both on sea and land.

Electrical specifications
Frequency range (MHz) 146.0-162.5
Nominal impedance (ohm) 50
VHF power rating (Watt). 100
Gain (dBd/Marine dB) 0/3
VSWR < 1.5:1
Polarization Vertical
Connector UHF-female
DC-shorted Yes

Mechanical specifications
Length (m/ft) 1.26/4.13
Weight (kg/lbs)(excl. & incl. mount) 0.5/1.1 & 0.7/1.6
Wind rating (m/s / mph) 45/101
Material Fibreglass
Colour White polyurethane lacquer
Temperature range (°C/°F) -55 to +60 / -67 to +140
Ingress Protection IP66

Mounting
N162F angle bracket with nut and washer included.
See individual parts for mounting details.

AC Antennas A/S · Fabriksparken 40 · DK-2600 Glostrup · Denmark · Tel: +45 4581 0413
acantennas@acantennas.com · www.acantennas.com

Specifications subject to change without further notice. The information in this document does not form part of any quotation or contract. 1. Sep. 2014
VSWR

VSWR
Voltage standing wave ratio is a measure of the energy
lost in the coax cable/antenna connection. The figure
to the right shows VSWR measurement based on the
average of a significant numbers of antennas. All
antennas delivered by AC Antennas are tested and a
VSWR less than 1.5 is guaranteed in the specified
frequency range.

Source: AC Antennas Frequency [MHz]

Vertical radiation pattern


Vertical radiation pattern for the omnidirectional
antenna at the center frequency. The figure shows that
the antenna has 0 dB gain near the horizontal plane.

Source: AC Antennas

AC Antennas A/S · Fabriksparken 40 · DK-2600 Glostrup · Denmark · Tel: +45 4581 0413
acantennas@acantennas.com · www.acantennas.com

Specifications subject to change without further notice. The information in this document does not form part of any quotation or contract. 1. Sep. 2014

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