Chapter 2 Getting Started
This chapter provides an overview of RFID technology and components, and describes the FX Series reader and
its features.
RFID Technology Overview
RFID (Radio Frequency Identification) is an advanced automatic identification (Auto ID) technology that uses radio
frequency signals to identify
tagged
items. An RFID tag contains a circuit that can store data. This data may be
pre-encoded or can be encoded in the field. The tags come in a variety of shapes and sizes.
A typical RFID system consists of transponders (called tags), readers, and antennas. To read a tag the reader
sends out radio frequency waves (using attached antennas). This RF field powers and charges the tags, which are
tuned to receive radio waves. The tags use this power to modulate the carrier signal. The reader interprets the
modulated signal and converts the data to a format for computer storage. The computer application translates the
data into an understandable format.
Figure 2-1
RFID System Elements
Reader and Antenna
Host Computer
Physical/Network
Connection
RF Wave and
Response
Tags
Summary of Contents for FX7400 Series
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