Measurement was conducted in electric wave noreflection
room. The test targeted the circular
polarization antenna of the UHF RFID reader and
used the standard antenna to measure performance of
the antenna designed. The distance between the two
antennas was 2.36m. The parameters of the standard
antenna used to measure performance of the UHF
RFID reader are presented in Table 1. The standard
antenna was a horn antenna (BBHA-9120-D) of the
SCHWARZBECK Company