Sirio Antenne SKA 900 C User manual

SKA 900 C SKA 901 CSKA 900 C SKA 901 C
SKA 900 C SKA 901 CSKA 900 C SKA 901 C
SKA 900 C SKA 901 C
UHF Mobile Antennas 870-960 MHzUHF Mobile Antennas 870-960 MHz
UHF Mobile Antennas 870-960 MHzUHF Mobile Antennas 870-960 MHz
UHF Mobile Antennas 870-960 MHz
Installation ManualInstallation Manual
Installation ManualInstallation Manual
Installation Manual
BCopyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 05/07/1999- Cod. ID277
"ML" base with 5m cable "ML" base with FME connection
OPTIONAL SPARE CABLES
(only "ML" with FME connection)
Length
code 2510305.00 0.5 m RG 58 C/U cable + 2 FME
code 2510405.00 1.5 m RG 58 C/U cable + 2 FME
code 2510505.00 3.5 m RG 58 C/U cable + 2 FME
code 2510605.00 5.0 m RG 58 C/U cable + 2 FME
SKA 900 C SKA 901 C
ALTERNATIVE CABLE CONNECTION

MOUNTING INSTRUCTIONS
SPECIFICATIONS
DESCRIPTION
Colinear vehicular antennas specially conceived for CELLULAR systems working on 900 MHz.
SKA 900 C whip is made of polycarbonate flexible and detachable for car-washes acces and its
phasing coil is inserted in a rubber sleeve. SKA 901 C is made of black chromed 17/7 PH stainless
steel whip. They are supplied with "ML" (Micro Line) mount of reduced dimensions for a handy
installation on the vehicle and 5m cable RG 58 C/U with FME connector. Both models are also
available without cable and with FME connector directly assembled on the base.
Electrical Data
Type
SKA 900 C :
SKA 901 C :
Frequency Range :
Impedance :
Radiation :
Polarization :
Gain
SKA 900 C :
SKA 901 C :
Bandwidth :
V.S.W.R. at f. res. :
Max Power :
Feed System / Position :
Standard Mount :
Mechanical Data
Materials :
Heigth (approx.)
SKA 900 C :
SKA 901 C :
Weight (approx.) :
Mounting Hole :
1/4 λ+ 1/2 λColinear Antenna
1/4 λ + 5/8 λColinear Antenna
870-960 MHz
50 ΩUnbalanced
Omnidirectional
Vertical
3.0 dB ref. to a λ/4 whip
3.5 dB ref. to a λ/4 whip
90 MHz
≤1.2 : 1
30 Watts
Direct / Base
"ML" UHF
Chromed Brass, Policarbonate, Stainless Steel,Rubber
280 mm
330 mm
280 gr
∅14 or 18 mm
Mounting from the outside
1.1 Drill a 18 mm hole, deburr it and
protect it against corrosion. Loose part B,
push it upwards together with part Cand
hold it tightly.
1.2 Insert the base into the mounting
hole and decentralize it. Insert the plastic
fish-plates Dof part Cinto the hole. Screw
on part B with a 20 mm open-end
wrench.
The ring nut B is tightened correctly,
if the upper edge of part A is at the
same height as the inner thread-bolt
Mounting from the inside
2.1 Drill a 14 mm hole, deburr it and
protect against corrosion. Loose part B
and use the item E.
Insert from below part Finto the hole up
to the stop.
2.2 Push part A,Band Efrom above and
screw them on with a 20 mm open-end
wrench.
Part B is tightened correctly, if the
upper edge of part A is at the same
height as the inner thread-bolt.
1.1
1.2
2.1
2.2
ID277