Table 3 RCS and resonance frequency, proposed tags.

From: A PDMS/MWCNTs RFID flexible tag with advanced resonator design for read range enhancement in IoT monitoring systems

Parameter

Tag-A

1-Unit

Tag-A

2 × 2

Tag-A

3 × 3

Tag-B

1-unit

Tag-B

2 × 2

Tag-B

3 × 3

Tag-B

4 × 4

Tag-B

5 × 5

RCS1 (dBsm)

−74.297

−58.96

−45.996

−65.889

−45.608

−41.006

−38.685

−35.497

RCS2 (dBsm)

−46.575

−26.05

−21.241

−64.866

−43.154

−40.545

−37.83

−35.491

RCS3 (dBsm)

−46.284

−30.038

−24.415

−47.575

−40.507

−36.614

−33.712

−31.838

fr1 (GHz)

1.3674

1.0036

0.2876

1.637

0.8054

0.028

0.039

1.0269

fr2 (GHz)

4.0208

4.2415

4.2143

4.965

5.096

5.082

5.082

5.069

fr3 (GHz)

6.8852

6.6398

6.6941

8.6743

9.016

9.002

9.0241

9.034