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TRIVAL ANTENE d.o.o.
Gorenjska cesta 25
1234 Menges
SLOVENIA, EU
tel.: +386-1-8314-396
fax.: +386-1-8313-377
e-mail: info(at)trivalantene.si

AD-18/D-3512-DF


The antenna AD-18/D-3512-DF is a wideband monopole VHF/UHF mobile antenna for frequency range from 30 to 512 MHz with the antenna diplexer built inside the antenna housing, enables connection of the two separate VHF and UHF radio units on the same antenna.
The antenna is composed of two main parts: antenna base and radiator. The antenna base is made of aluminum and durable plastic materials. Inside the base is the matching circuitry for the VHF/UHF antenna radiator together with the VHF/UHF diplexer which enables separate feed for VHF and UHF signals. Stainless steel spring above the housing absorbs the shocks and the vibrations, in addition protects the antenna against impacts. Two sections antenna radiator are made of brass tubing enclosed in strong and durable fiberglass radome tube.
The antenna base has four mounting holes equally spaced on a 4.5" (114.3 mm) circle which complies with NATO and US army standard.
The antenna radiator is painted MIL Green while the antenna base with the spring is black colour.




ELECTRICAL SPECIFICATIONS - VHF:
Frequency range
Impedance
VSWR
Gain
Polarization
Maximum power
Connector


30 - 88 (VHF); 225 - 512 (UHF)
50
< 3,5
-6 ... +3 (see diagram)
> 45
vert.
75 CW avg.; 100 max.
N female (VHF), BNC female (UHF)

MECHANCIAL SPECIFICATIONS:
Design
Height
Weight
Max. high voltage rating
Temperature range - in use
Temperature range - in stock
Wind rating
Color


End fed whip (VHF)
2.75 m
~ 4 kg
16 kV
-50 ... +55
-55 ... +75
160
MIL Green - Black
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