DIPOLE SET FOR VHF COLLINEAR BASE ANTENNA WITH FEMALE UHF CONNECTOR
Replacement dipoles for collinear folded-dipole base antennas operating in the VHF band.
Dipole Set for VHF Collinear Base Antenna with Female UHF Connector – AP20309
|
Model
|
AP20309
|
|---|---|
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Frequency
|
148 - 156 MHz
|
|
VSWR
|
≤ 1,5:1
|
|
Impedance (Ohms)
|
50 Ω
|
|
Maximum Power (Watts)
|
350 W
|
|
Gain
|
Omni (8,65 dBi) - Bidirectional (8,00 dBi) - Offset (11 dBi)
|
|
Omnidirectional Gain
|
8,65 dBi
|
|
Bidirectional Gain
|
8,00 dBi
|
|
Offset Gain
|
11,00 dBi
|
|
Height
|
6000 mm
|
|
Weight (Grams)
|
9200 g
|
|
Grounding
|
DC ground (DC short-circuit)
|
|
Half-Power Angle Omnidirectional Vertical
|
19,4°
|
|
Half-Power Angle Bidirectional Vertical
|
16,7°
|
|
Half-Power Angle Bidirectional Horizontal
|
136,8°
|
|
Half-Power Angle Offset Horizontal
|
170,8°
|
|
Bidirectional Vertical Side Lobe Level
|
-5,5 dB
|
|
Offset Vertical Side Lobe Level
|
-7,1 dB
|
|
Gondola Diameter (mm)
|
50,8 mm
|
|
Main Material
|
Aluminum
|
|
Gondola Length (mm)
|
6000 mm
|
|
Wind Exposure Area (m²)
|
0,49 m²
|
|
Survival Wind Speed (km/h)
|
220 km/h
|
|
Operational Wind Speed (km/h)
|
100 km/h
|
|
Distance Between Elements (Center to Center)
|
1505 mm
|
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VHF Collinear Base Antenna 138-150 MHZ - AP20389
Collinear base antenna with folded dipole, boom and angle-bracket mount, designed to operate from 138 to 150 MHz. Built of aluminum and coaxial cable, it has a low main-lobe-angle radiation pattern, ensuring excellent signal coverage and repeater station performance.
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