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IUH-F190-V1-*, IUT-F190-R4-V1*
Product Description
100 %
90 %
80 %
70 %
60 %
50 %
40 %
30 %
20 %
10 %
0 %
Material between transponder and
read / write head
3.2.6
Dense Reader Mode (DRM)
Europe
A special operating mode for read/write tags in accordance with the specification EPC Gen 2
(ISO/IEC 18000-63) allows several read/write heads to be operated close to each other
simultaneously without interference.
In accordance with EN 302208, the read/write head uses only channels 4, 7, 10, and 13 in this
mode for transmission (read/write head
transmission power is a maximum of 2 W
W
erp
2.0
1
865.0
Figure 3.1
The response from the read/write tag appears via the frequency offset, which is achieved by
the modulation used in this mode on the two adjacent channels. Due to the high level
difference between the transmission channels and the response channels, this technology
offers major benefits for reusing frequencies.
2
3
4
5
6
7
865.7
866.3
Foam material
Film
Cardboard (dry)
Cardboard (wet)
Wood (dry)
Glass
Metal
Material
underground
read/write tag communication path). The
in accordance with EN 302208.
ERP
8
9
10
11
12
866.9
13
14
15
Channel
867.5
868.0
MHz
15
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