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SIRIO 2000 series
CB Base Station Antennas
DESCRIPTION
Hi-quality base station antennas working on 27 MHz. They are made of anti-corodal aluminium tubes and
supplied with polythene jointing sleeves to guarantee a perfect waterproofing. Strong and easy to install,
they allow very good links.
SPECIFICATIONS
Electrical Data
Type : 5/8 l Ground Plane
Frequency range : 26.4...28.2 MHz tunable (see table)
Impedance : 50 W
Radiation (H-plane) : 360° omnidirectional
Polarization : Linear Vertical
Gain : 1.3 dBd, 3.45 dBi
Bandwidth @ SWR £2
SIRIO 2008, SIRIO 2012 : ³ 1750 KHz (160 channel)
SIRIO 2016 : ³ 2100 KHz (200 channel)
SWR @ res. freq. : £ 1.1
Max Power : 1000 Watts (CW) continuous
: 3000 Watts (CW) short time
Feed system/ position : Transformer DC-ground / base
Connector : UHF-female
Mechanical Data
Materials : Aluminium, Copper, Nylon
Brass, Galvanized Steel
Wind Load / Resistance : 166 N @ 150Km/h / 130 Km/h
Wind surface : 0.14 m
Length (approx.) : 6100 mm
Weigth (approx.) : 5300 gr
Radial lenght
SIRIO 2008, SIRIO 2012 : 1320 mm
SIRIO 2016 : 700 mm
Mounting Mast : Æ 40-50 mm
2
HIGH POWER IMPEDANCE
TRANSFORMER
Construction details:
· Coil cover made of
trasparent anti-shock
material.
· Low loss coil support
with finger spacers.
· Ø 75mm coil made of
Ø 4.5mm copper wire.
· UHF-female connector
with protection cap.
· Discharge holes for
possible condensations.
S.W.R.
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
25.75
S.W.R.
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
25.75
Model: SIRIO 2008/12
Model: SIRIO 2016
TYPICAL S.W.R. RESPONSE
27
TYPICAL S.W.R. RESPONSE
27
File: F-01-002
28.25
f.(MHz)
File: F-01-003
28.25
f.(MHz)
HI-QUALITY ANTENNAS MADE IN ITALY
SIRIO 2000 series features:
SIRIO 2008 : with 8 G.P. radials lenght=1320mm
SIRIO 2012 : with 12 G.P. radials lenght=1320mm
SIRIO 2016 : with 16 G.P. radials lenght= 700 mm
ID042
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TUNING TABLETUNING TABLE
Freq. (MHz)
26.4
27.0
(Ch.19 CB) 27.185
27.5
28.0
28.2
Mounting needed tools:
n. 1 tape rules (meter)
n. 1 phillips screwdriver
n. 1 8 mm open key
n. 1 10 mm open key
n. 1 13 mm open key
L (mm)
545
381
330
241
101
45
Pos Q.ty Description
1 1 5 sections telescopic aluminium whip
2 4 plastic jointing sleeves (4 different sizes)
38Æ 3.9x6.5 mm phillips tapping screws
4 1 top section with cage
5 1 M4x4 hexagon socket set screw cup point
6 1 2 mm hexagonal key
7 1 Bottom section assembled with coil and connector
8 6 M8 washers
9 6 M8 spring lock washers
10 6 M8 hexagonal nuts
11 3 M8x200 mm U-bolts
12 1 Æ 26-28 mm hose clamps
13 8/12 Æ 6x8x1320mm radials aluminium tubes with joint (SIRIO 2008/12)
16 Æ 6x8x700mm radials aluminium tubes with joint (SIRIO 2016)
14 8/12/16 PVC cap for Æ 8mm aluminium tubes (models dependent)
MOUNTING INSTRUCTIONSMOUNTING INSTRUCTIONS
4
11
L
6
12
Parts List
1
22
Fit the whip (1) on the
bottom section (7). Well
lock the hose clamps
(12) by using the
suitable 8mm open key.
7
5 SECTIONS TELESCOPIC ALUMINIUM WHIP
5
Pull out the sections of
telescopic aluminium whip (1),
insert the jointing sleeves (2) and
lock they using the screws (3).
Insert the top section with the
cage (4) at L (see tuning table for
frequency) and lock it using the
screw (5) and 2 mm hexagonal
key (6).
1
NOTE: Use the table just as a
guide. For fine-tuning please use
an SWR-meter
7
33
Mount the bottom
section with coil (7) on
the mast using parts
(8), (9), (10) and (11) in
according to the
picture.
11
8
Mast Æ 40-50mm (not supplied)
10
9
1
44
2
13
Mount the PVC cap (14)
at the end of radials
tubes (13) and lock they
on the coil by using the
suitable 10mm open key.
3
14
HI-QUALITY ANTENNAS MADE IN ITALY
B Copyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 16/10/2008 - Cod. ID042
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