Model SKA DB 144-432 SKA DB 144

Model SKA DB 144-432 SKA DB 144
Model SKA DB 144-432
Dual Band Mobile Antenna 145-435 MHz
HI-QUALITY ANTENNAS MADE IN ITALY
B Copyright SIRIO antenne - Technical Data are subjected to change - Printed in ITALY - Rev. 06/06/2005 - Cod. ID113
Installation Manual
DESCRIPTION
MOUNTING INSTRUCTIONS
Dual-band vehicular antenna specially conceived to cover the radio-amateur band of 2m70cm,
without tuning adjustments. It has been made of high quality materials to get the best efficiency
and performance; the whip is of black chromed stainless steel and all its metallic components
are of brass to guarantee the maximum strength. It is supplied with "SL-S" professonal mount.
"SL-S" Mount
A
SPECIFICATIONS
Electrical Data
Type
Design Frequency
Impedance
Radiation
Polarization
Gain
Bandwidth at S.W.R. 2:1
S.W.R. at f. res.
Max Power
Feed System / Position
Standard mount
Cable Type / Length
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VHF 1/4 λ; UHF 3/4 λ
VHF 140 MHz; UHF 435 MHz
50 Ω Unbalanced
Omnidirectional
Vertical
0 dB ref. to a λ/4 whip
VHF 10 MHz; UHF 32 MHz
VHF ≤ 1.7 : 1, UHF ≤ 1.2 : 1
100 Watts
Direct / Base
"SL-S" UHF
5 m / RG 58
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Stainless Steel 17/7 PH, Chromed Brass
505 mm
390 gr
∅ 19 mm
Mechanical Data
Materials
Height (approx.)
Weight (approx.)
Mounting hole
REMARK:
Be careful during installation do not use too much strenght but tighten the metal ring A
by means of the suitable tool. TIGHTENING TORQUE: 4 Nm ± 10%
ATTENZIONE:
Porre attenzione durante l'installazione. Non serrare con troppa forza ma avvitare l'anello
metallico A utilizzando la chiave adeguata. COPPIA DI SERRAGGIO: 4 Nm ± 10%
HI-QUALITY ANTENNAS MADE IN ITALY
ID113
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