Siemens SIMATIC RF610T ATEX System Manual page 246

Antennas
6.2 SIMATIC RF615A
D D irectional radiation pattern of the RF615A (FCC) on non-metallic mounting surface
Figure 6-10
246
Pattern of the vertical plane of the antenna
Pattern of the horizontal plane of the antenna
Directional radiation pattern of the RF615A (FCC) on non-metallic mounting surface
System Manual, 06/2019, J31069-D0171-U001-A22-7618
SIMATIC RF600