Siemens SIMATIC RF600 System Manual page 164

Antennas
6.2 Guidelines for selecting RFID UHF antennas
Specifications
Selection of the beam angle within the approval directives also has effects on the field of
application, since a larger beam angle allows a larger area to be covered by RFID
transponders. The following graphic clarifies the cross-section of the beam cone with the
covered area.
① Third-party antenna
② Beam angle
③ Covered area
④ Activation or reading range
164
Beam angle: cross-section of the beam cone with the covered area
System Manual, 10/2009, J31069-D0171-U001-A8-7618
SIMATIC RF600