User's Manual

IDS Ingegneria Dei Sistemi S.p.A. N°doc: MN/2009/070 - Rev. 1.1
IBIS-L v.02.00 - User manual
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Fig. 3.4 – IBIS-H20 vertical plane pattern Fig. 3.5 – IBIS-H20 horizontal plane pattern
The sensor is fitted with two flanges, each with four filleted holes for the installation of
the pair of antennas (see par. 4.2).
Fig. 3.6 – IBIS-H20 antenna
If desired as an optional or a substitution, the IBIS-H20 antennas can be replaced by a pair
of three other antennas whose characteristics are reported below:
IBIS-H23 antennas (Type 1) having the following characteristics:
• Maximum gain of 23.5 dBi;
• Horizontal antenna beam width at -3dB: 11deg.
• Vertical antenna beam width at -3dB: 10deg.
IBIS-H15 antennas (Type 3) having the following characteristics:
• Maximum gain of 15 dBi;
• Horizontal antenna beam width at -3dB: 29deg.
• Vertical antenna beam width at -3dB: 25deg.
IBIS-H13 antennas (Type 4) having the following characteristics:
• Maximum gain of 13.5 dBi;
• Horizontal antenna beam width at -3dB: 38deg.