Siemens SIMATIC Ident RF622A ETSI Operating Instructions Manual page 22

Antenna patterns
5.3 Antenna patterns in the FCC frequency band
Radiation diagram in the FCC frequency band on metallic mounting surface (15 cm x 15 cm)
Figure 5-8
22
Pattern of the vertical plane of the antenna
Pattern of the horizontal plane of the antenna
Directional radiation pattern of the RF622A in the FCC frequency band on metallic
mounting surface
Operating Instructions, 11/2020, C79000-G8976-C601-01
SIMATIC RF622A