Siemens SIMATIC RF610T ATEX System Manual page 245

D D irectional radiation pattern of the RF615A (FCC) on metallic mounting surface (15 cm x 15 cm)
Figure 6-9
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 of the RF615A (FCC) on metallic mounting surface
Antennas
6.2 SIMATIC RF615A
245