Mobility

Design & Development Low Cost RFID Antenna

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Executive Summary

This paper describes how Low Cost HF (13.56 MHz) antennas can be built and tuned so that their characteristics match the requirements of the high performance reader and third party RF modules. This third edition places greater emphasis on antennas for the higher power readers. In general, the distance at which a Tag-it transponder inlay (tag) can be read is related to the size of the Reader's antenna system and its associated magnetic field strength, the larger the antenna, the greater the range. Depending on the type and make of the long range RFID reader, more gate pedestals can be configured and integrated to a single reader. For a three pedestal gate, its antenna pedestals are spaced at up to 1.2 meter apart.

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