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Contents

Introduction ............................................................................. 3

Usage Important Points ...................................................................... 3

Key features ............................................................................... 3

Reader/writer module package content............................................................ 4

Connections ............................................................................... 5

Function and use ............................................................................ 5

Hardware ................................................................................. 6

Carrier oscillation circuit, ASK modulator circuit, transmission output circuit .......................... 6

RF receiving circuit ..................................................................... 7

......................................................................... 8

Microprocessor’s pin assignment ........................................................... 9

RF antenna ............................................................................ 9

Firmware ................................................................................ 10

Firmware Writing Procedures ................................................................. 11

Firmware writing application start-up and installation ........................................... 11

Firmware writing ...................................................................... 11

Product general specification .................................................................. 14

Annexes ................................................................................. 15

Schematics ........................................................................... 15

List of components ..................................................................... 16

Antenna layout ........................................................................ 17

FCC STATEMENT ......................................................................... 17