1. Figure 2.1 Key Operational Parameters and Design Trade-off

2. Figure 2.2 Worldwide regulatory allowances for UHF RFID operation

3. Figure 2.3 Radiated power relative to EIRP and ERP

4. Figure 2.4 Effect of sensitivity on range

5. Figure 2.5 Comparison of FCC and EU spectral masks

6. Figure 2.6 EN 302-208 backscatter spectral mask

7. Figure 2.7 Signal quality for non- coherent ASK demodulation

8. Figure 2.8 EU channelization under EN 302-208

9. Figure 2.9 Interrogator Interference

10. Figure 2.10 Signal from tag interference

11. Figure 2.12 Triangulation

12. Figure 2.13 Trilateration

13. Figure 2.14 Multi-path interference

14. Figure 2.15 Impact from Materials

15. Figure 2.16 Packaged Active tag

16. Figure 2.17 Tag technology categories

17. Figure 2.18 Performance and feature trade-off between technology categories

18. Figure 2.19 Application vs Technology

19. Table 2.1 Common RTLS Techniques for Indoor Positioning Number of Antennas Location Method Positional Information 1 Proximity (Near-Field) Proximity (Far-Field) In or out of a magnetic field zone Radial proximity to antenna 2TriangulationA 2D position between antennas