VHF Collinear Base Antenna 138-150 MHZ - AP20389
STRENGTH
DURABILITY
SECURE MOUNTING
The AP20389 is a collinear VHF base antenna designed for high performance from 138 to 150 MHz. The set includes a folded dipole, boom and angle bracket mount, making installation on different structures easier.
Its construction in high-quality aluminum and rugged coaxial cable provides durability and outdoor reliability. With a low-angle radiation pattern, it offers great signal coverage, ideal for repeater stations and professional communication systems.
VHF Collinear Base Antenna 138-150 MHZ – Dipole + Boom + Angle Bracket – AP20389
|
Type
|
VHF Base Antenna
|
|---|---|
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VSWR
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≤ 1,5:1
|
|
Impedance (Ohms)
|
50 Ohms
|
|
Maximum Power (Watts)
|
350 Watts
|
|
Omnidirectional Gain
|
8,65 dBi
|
|
Bidirectional Gain
|
8 dBi
|
|
Offset Gain
|
11 dBi
|
|
Weight (Grams)
|
9,5 kg
|
|
Grounding
|
DC GROUND (DC SHORT-CIRCUIT)
|
|
Half-Power Angle Omnidirectional Vertical
|
18,7
|
|
Half-Power Angle Bidirectional Vertical
|
18,9
|
|
Half-Power Angle Bidirectional Horizontal
|
179,3
|
|
Half-Power Angle Offset Vertical
|
18,9
|
|
Half-Power Angle Offset Horizontal
|
179,3
|
|
Omnidirectional Vertical Side Lobe Level
|
-8,1 dB
|
|
Bidirectional Vertical Side Lobe Level
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-7,6 dB
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Offset Vertical Side Lobe Level
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- 6,0 dB
|
|
Gondola Diameter (mm)
|
50,8 mm
|
|
Main Material
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ALUMINUM
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|
Element Diameter (mm)
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19,05 mm
|
|
Gondola Length (mm)
|
6000 mm
|
|
Wind Exposure Area (m²)
|
0,51 m²
|
|
Survival Wind Speed (km/h)
|
220 km/h
|
|
Operational Wind Speed (km/h)
|
100 km/h
|
|
Distance Between Elements (Center to Center)
|
1500 mm
|
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