SPE-15-8-075/A/CM Page 7 of 10

3.4. Test results

A total of 7 sample devices were used to measure the interrogation distances in two

scenarios, over plastic and over metal, using the Texas Instruments TRF7970AEVM

evaluation board. The results are:

• Over plastic:

RFID Tag

Dimensions

(mm)

Interrogation

Distance (mm)

Topaz512 (Type 1)

43 x 43

13

NTAG203 (Type 2)

F 42

16

Tag-it HFI Plus RI-I11-112

45 x 45

23

Tag-it HFI Plus RI-I02-112

76 x 48

22

Tag-it HFI Plus RI-I03-112

38 x 22.5

13

Tag-it HFI Plus RI-I16-112

F 24.2

14

Tag-it HFI Plus RI-I17-112

F 32.5

16

• Over metal:

RFID Tag

Dimensions

(mm)

Interrogation

Distance (mm)

Topaz512 (Type 1)

43 x 43

10

NTAG203 (Type 2)

F 42

15

Tag-it HFI Plus RI-I11-112

45 x 45

18

Tag-it HFI Plus RI-I02-112

76 x 48

19

Tag-it HFI Plus RI-I03-112

38 x 22.5

10

Tag-it HFI Plus RI-I16-112

F 24.2

12

Tag-it HFI Plus RI-I17-112

F 32.5

14