User's Manual

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1 Introduction
1.1 Background
The 21-199765-01 Module is intended as an RFID reader which is integrated into a larger
product to provide embedded RFID reader capability. It is intended to use the antenna system
of the larger product and can get power and communication from an external source.
1.2 Purpose
The purpose of this document is to provide a guideline for product designers when integrating
the 21-999765-01 RFID Module.
1.3 Part Number
Part Number
SKU
21-199765-01
US/Canada RFID Module
1.4 Key Features
 The 21-199765-01 RFID module will provide real time tag reading/processing for EPC Class 1
Gen2 compliant tags.
 The communication interface is 10/100 baseT Ethernet
 The Power interface is either Power over Ethernet iaw 802.3af/at or 24V DC Power Adapter
 Up to 1W TX power over each of the 8 Coaxial contacts(only one at a time)
 Heat sink and vented Metal enclosure for RF shielding and thermal control with convection
cooling (no additional heat sink required).
 Custom housing for slide on bracket mounting.
2 Architecture
2.1 System Architecture
The Architecture of the 21-199765-01 is based on the Zebra Next Generation Engine RFID
reader. The reader contains a Transmitter section, Receiver section, Synthesizer section, a
Digital Modem, and a Host Interface section.
The Transmitter section contains a digital-to-analog converter (DAC), I-Q modulator, filtering, RF
power amplifier and the antenna multiplexer circuit. Communication with RFID tags is