User's Manual

<Measurement Set-up>
3 Characteristics(Reference)
Tag
A
n
te
nn
a
Y
X
Characteristics data given in this chapter is provided
as a guide for the user in determining suitability and
does not constitute a warranty. Actual performance
may vary based on actual user conditions.
*. There are no RF reflection objects around the Antenna and Tag
in the measurement environment.
3.1 Communications Range
*. There are some areas where communication is possible outside
the communications range shown in the graph by the effect of
reflection off of the ground.
EPC Class 0 : X1020-LBL,Matrics (Dual Dipole)
*. Tag attached to styrene resin.
unit : cm
0
50
100
150
200
250
300
350
-200 -150 -100 -50 0 50 100 150 200
A
ntenna
Y
*. The UHF power setting of the reader is “31.5” dBm with 3.0m
cable.
X
EPC Class 1b : V740-D12P01, OMRON
0
50
100
150
200
250
300
350
-200 -150 -100 -50 0 50 100 150 200
Y
X
unit : cm
A
ntenna
V740 RFID READER/WRITER READER QUERY PROTOCOL 2005-07, REV.01
REFERENCE GUIDE
42 of 45 OMRON CORPORATION 2005