Antennas 
  8.1 ANT D2 
MOBY D 
System Manual, 01/2010, J31069-D0147-A6-7618 
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8.1.4  Transmission window 
 
Figure 8-1  Transmission window for ANT D2 
 
1  Level 1 
2  Level 2 
3  Level 3 
⇓  Direction of motion of the transponder 
Green  Main field (processing field) 
Blue  Secondary fields 
Operating range (S
a
) 
The operating range lies between level 1 and level 3. 
The operating range between level 1 and 2 includes secondary fields. 
The recommended operating range therefore lies in the green main field between Level 2 
and Level 3.