Safety Instructions

SYMEO LPR
®
LPR-1D
Product Documentation
Hardware
Copyright © Symeo GmbH 2010
Page 28 of 87
3.4 LPR
®
Antenna Types
There are different antennas that can be installed depending on the required directional
characteristic.
Figure 15 shows the typical LPR
®
antennas, which are applied in an LPR
®
System.
6 dBi Omnidirectional Antenna (*)
10 dBi Omnidirectional Antenna (*)
23 dBi Planar Antenna
12 dBi Planar Antenna (*)
8,5°
vertical
-3 dB
0 dB
-3 dB
vertical
9°
-3 dB
0 dB
-3 dB
35°
vertical
-3 dB
0 dB
-3 dB
horizontal
-3 dB
0 dB
-3 dB
65°
horizontal
9°
-3 dB
0 dB
-3 dB
30°
vertical
-3 dB
0 dB
-3 dB
A
A
A
A = 190mm
d = 20mm
A = 440mm
d = 20mm
B
A = 305mm
B = 305mm
d = 25mm
A
B
A = 101mm
B = 80mm
d = 20mm
Antenna Connector Type N
Antenna Connector Type N
Antenna Connector Type N
Antenna Connector Type SMA