Siemens SIMATIC RF610T ATEX System Manual page 261

D D irectional radiation pattern ETSI on metallic mounting surface (15 cm x 15 cm)
Figure 6-17
SIMATIC RF600
System Manual, 06/2019, J31069-D0171-U001-A22-7618
Pattern of the vertical plane of the antenna
Pattern of the horizontal plane of the antenna
Directional radiation pattern RF620A ETSI on metallic mounting surface
Antennas
6.3 SIMATIC RF620A
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