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Installation of Tag
Multiple Antennas
Antennas in Parallel
500 mm min.
3-2
Installation of Tag
3-2-1 Installation Environment
3-2-2 Mounting the Tag
Mounting Direction
Mounting Location
Multiple Tags
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When mounting two or more Antennas in close proximity to each other, ensure
that their communications areas do not overlap. For more details, refer to 4-1
Communications Areas . As a rough guide, when mounting Antennas in parallel
or facing each other, ensure that the Antennas are separated by at least the
dimensions shown below.
Do not install the V720-D52P30 or V720-D52P40 Tags in the following locations.
Locations subject to corrosive gas, flammable gas, oil, chemicals, organic sol-
vents, salt, dust, or metal powder.
Inside microwave ovens.
Although there are no special rules, abide by the following.
Do not cut or open holes in the Tag.
Do not impose excessive force on the Tag.
Operation at the specified maximum communications distance is possible if
the face of the tag is mounted so that it is parallel to the face of the Antenna.
If the tag is mounted at an angle, the communications distance will be less. For
details of the relationship between the orientation of the tag and the commu-
nications distance, refer to 4-2 Influence of Tag Angle .
The communications characteristics of the Tag do not depend on the front/
back orientation.
The communications may be reduced by the kind and shape of material on
which the Tag is mounted. Refer to 4-3 Relationship Between T ag and Metallic
Objects for details of mounting location effects.
If two or more Tags are used on top of each other or in contact with each other,
interference between the Tags will cause the communications distance to de-
crease, and part or all of the Tags may become unreadable. When mounting
Tags in close proximity, perform tests beforehand to check for interference.
Antennas Facing
500 mm min.
Antenna
Tag
Section
3-2
11
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