27 – 512 MHzKATHREIN-Antennasand Antenna Line Products

Page 49

Omnidirectional Off-set Antenna Vertical Polarization

146 – 174 V

VPol Omni 146–174 360° 2dB

K552921

Type No. Frequency range

146 – 174 MHz

Polarization

Vertical

Radiation Pattern

Preferred direction: Mast to radiator.

Gain (ref. λ/2 dipole)

2 dB

Impedance

50 Ω

VSWR

< 1.4 440 W (at 50 °C ambient temperature)

Material:

Hot-dip galvanized steel. All screws and nuts: Stainless steel.

Mounting:

On masts of 60 – 125 mm diameter, clamps supplied.

Grounding:

All metal parts of the antenna including the mounting kit are DC grounded.

Omnidirectional 146 – 174 MHz

Max. power

Radiation Pattern with different mast diameters:

3

0

dB

3

10 dB

10

0

Horizontal Pattern 60 mm ∅

Horizontal Pattern 115 mm ∅

Mechanical specifications Input

78°

78°

Weight Wind load Max. wind velocity

0

Vertical Pattern 60 mm ∅

3

Mast diameter dB

3

10 dB

10

0

Vertical Pattern 115 mm ∅

Packing size

N female 4.5 kg 90 N (at 150 km/h) 200 km/h 60 – 125 mm 864 x 598 x 87 mm

Dipole length

840 mm

Distance dipole / mast

500 mm

49


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27 – 512 MHzKATHREIN-Antennasand Antenna Line Products by Alexander ter Kuile - Issuu