User's Manual

120
Section 6 Reference Data
RFID System
User's Manual
Section 6
Appendices
 Reduction in Communications Distance for V680-D2KF67M Angle
Measurement Conditions
Tag angle (θ°)
0 10 20 30 40
V680-HS52 and V680-D2KF67M
(Metal on back: Steel)
0% −1% −2% −4% −6%
V680-HS63 and V680-D2KF67M
(Metal on back: Steel)
0% −2% −5% −8% −14%
V680-HS65 and V680-D2KF67M
(Metal on back: Steel)
0% −2% −7% −16% −31%
z V680-HS52 and V680-D2KF67M
(Metal on back: Steel)
z V680-HS63 and V680-D2KF67M
(Metal on back: Steel)
z V680-HS65 and V680-D2KF67M
(Metal on back: Steel)
Tag
Antenna
θ
Tag
Non-metallic
material
Antenna
θ
Tag
Metallic
material
Antenna
θ