How to Cheat at Deploying and Securing RFID

Chapter 2. The Physics of RFID

Solutions in this chapter:

• Understanding Radio Frequency Communication

• RFID Communication Techniques

• Understanding Performance Characteristics of an RFID System

• Performing Antenna Power Calculations

• The Travel Adventures of RF Waves

	Summary
	Key Terms

Introduction

The core functionality of an RFID system is the communication between a reader and a tag. The communication is carried out using RF waves, which are basically the EM waves with frequencies from the subspectrum of EM frequency spectrum called radio frequencies. The propagation ...