MOUNTING INSTRUCTIONS
DESCRIPTION
Ground Plane colinear dual-band antenna for base station service working on the radio-amateur
frequency of 2m/70cm. The radial whip is of brass inserted in a conic fiberglass tube for a perfect
protection from the worst climates and the radials are of stainless steel to get the maximun
strength. They are supplied with a solid aluminium bracket for an easy installation on the support
mast.
SPECIFICATIONS
Electrical Data
Type
:
VHF 2 x 5/8
λ
; UHF 5 x 5/8
λ
Frequency Range
:
VHF 143-147 MHz; UHF 430-440 MHz
Impedance
:
50
Ω
Radiation (H-plane)
:
360
o
Omnidirectional
Radiation (E-plane)
:
Beamwidth at -3 dB = VHF 39
o
; UHF 22
o
Radiation angle deg.
:
VHF 0
o
; UHF -4
o
Polarization
:
Vertical
Gain
:
VHF 3.2 dBd - 5.45 dBi; UHF 5.8 dBd - 7.95 dBi
Bandwidth at V.S.W.R. 2:1
:
VHF 3.4 MHz; UHF 18.6 MHz
V.S.W.R. at res. freq.
:
VHF
≤
1.3 : 1; UHF
≤
1.2 : 1
Max Power
:
200 Watts
Feed System / Position
:
Transformer DC-Ground / Base
Connection
:
"N" Female Gold Plated
Mechanical Data
Materials
:
Brass, Fiberglass, Stainless Steel, Aluminium
Wind Resistance
:
160 Km/h
Length (approx.)
:
2790 mm
Weight (approx.)
:
1250 gr
Radial Length (approx)
:
495 mm
Mounting Mast
:
∅
35-54 mm
ID162
