IDENTIFICATION
ID ISC.ANT1710/690 Crystal
Gate Excellence -A/-B
Typical Antenna Configuration
Page 21 of 21
•
If multiple gates are arranged at short distances (1-8m) from each other, they interfere with each
other. In this case, the readers for the individual gates must be synchronized and operated in one
of the Reader Automatic Modes.
Fig. 11: Top view, detection area outside of the antenna gate
Direction
Minimum Distance
right, left (X=)
80 cm
front, behind (Y=)
40 cm
Table 3: Capture area, unintentional detection
To achieve three-dimensional reading of the tag in the reading area shown above (Fig. 10), the following
conditions must be fulfilled:
•
The gate distance (GD) depends on the antenna configuration (see Table 5).
•
The tags should be at least ISO card size (46 mm x 75 mm).
•
The activation field strength of the tags should be less than or equal to 60 mA/m.
•
The distance from tag to tag should be greater than 10 cm. If the distance from tag to tag is reduced, the
gate distance GD must be reduced correspondingly. This applies in particular to distances under 5 cm.
•
The maximum number of tags (serial number or data) depends on the speed at which the tags pass
through the detection area of the gate (see Table 5). The number of tags may be increased if the gate
distance GD is correspondingly reduced and the maximum speed is adjusted accordingly.
•
The antenna should be at least 50 cm away from metal parts.
•
The minimum distance between the antennas of a gate and other antennas of RFID workstations or
terminals (transmitting frequency 13,56 MHz) should be:
Transmitted
output power
Minimum Distance
< 0.5 W
1 m
0.5 W-1.0 W
2 m
X
X
Y
Y
