CX-UHF3-MH Tx/Rx. 220W 3 dBd. N-female

CX-UHF3-MH marine ac antennasCX-UHF3-MH, Marine and Land Based UHF Antenna. Tx/Rx. 220W
3 dBd. N-female. Packed in a tube

This omnidirectional 3 dBd gain antenna is used for radio telephone systems, two-way
business radios and many other UHF applications. The antenna is manufactured in
premium quality materials in order to prevent galvanic corrosion. Radiating elements are
made of copper. The antenna is manufactuted using crimping technology giving the
antenna a 4-5 times stronger build-up. 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.


Short description

Product group UHF
Design Collinar coaxial dipole
Pattern Omnidirectional

Electrical specifications

Frequency range [MHz] A: 440.0-470.0 B: 435.0-475.0 C:435.0-480.0
Bandwidth [MHz] A: 30 B: 40 C: 45
Nominal Impedance [Ohm] 50
Max. Input Power [Watt] 220
Gain [dBd/Marine dB/dBi] 3 / 5.15 / 6
VSWR A: <1.5:1 B: <2.0:1 C: <2.5:1
Polarisation Vertical
DC Shorted Yes
DC Grounded Yes
Connector N-Female

Mechanical specifications

Length [m/ft] 1.27 / 4.17
Sections 1
Weight [kg/lbs] 0.60 / 1.34
Survival Wind Speed [km/h / m/s / mph] 200 / 55 / 124
Wind Area [m2/ft2] 0.0214 / 0.2304
Wind Load @ 160km/h [N] 31
Material Fibreglass Colour White
Operating Temperature Range [°C/°F] -55 to +70 / -67 to +158
Ingress Protection IP68
Thread 1″ 14TPI male / –
Mounting Mounting excluded


CX-UHF3-MH marine ac antennas swr charts

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 the VSWR is guaranteed in the
specified frequency range.






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Weight1000 g
Dimensions20 × 20 × 20 mm


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