RFID System
User's Manual
SECTION 7
Reference Data
SECTION 7
Appendices
159
Influence of RF Tag Angle (Reference)
Install Antennas and RF Tags as close to parallel to each other as possible.
Communications are possible even when an Antenna and an RF Tag are mounted at an angle, but the
communications range will be shortened. The relation between the angle and the communications
range is shown below.
Reduction in Communications Range for V680-D2KF67M Angle
Measurement Conditions
RF Tag angle ()
0 10 20 30 40
V680-HS52 and V680-D8KF67M
(Metal on back: Steel)
0% 0% 0% 0% 0%
V680-HS63 and V680-D8KF67M
(Metal on back: Steel)
0% 0% 1% 2% 5%
V680-HS65 and V680-D8KF67M
(Metal on back: Steel)
0% 1% 3% 9% 19%
V680-HS52 and V680-D8KF67M
(Metal on back: Steel)
V680-HS63 and V680-D8KF67M
(Metal on back: Steel)
V680-HS65 and V680-D8KF67M
(Metal on back: Steel)
RF Tag
Non-metallic
material
Antenna
θ
RF Tag
Metallic
material
Antenna
θ
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