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9-5 Influence of Tag Angle (Reference)
A maximum communication range can be obtained by installing a tag so that the antenna surface and tag surface can be parallel to each
other. When you install the tag, take into consideration the influence of tag angle.
If the tag surface is not parallel to the antenna surface, the communication range deteriorates. The characteristic of communication
range deterioration depending on the tag angle is shown below.
• Model V670-D13F03
Communication range deterioration
θ°
Deterioration ratio
0
10
20
30
40
50
60
70
• Model V670-D13F01 (H)
Communication range deterioration
θ°
*1
10
20
30
40
50
60
70
80
The tag makes contact with the sensing head of
antenna when it is tilted to 60 degrees or more in
the longitudinal direction (*1) in the above mea-
surement.
0%
0%
1%
2%
3%
4%
9%
18%
*2
2%
2%
2%
3%
2%
6%
2%
10%
2%
14%
( * )
20%
( * )
29%
( * )
41%
Model V670-H11
Model V670-D13F03
Communication range
Antenna
Communication range
*1
Tag
*2
9-7
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