# Zebra: ZT411R: RFID Calibration

<p class="callout warning">****ATTENTION:****<span style="color: rgb(106, 40, 2); white-space: pre-wrap;"> We suggest </span>****first****<span style="color: rgb(106, 40, 2); white-space: pre-wrap;"> performing the </span>[calibration from the website](https://kb.simplerfid.com/books/software-web-portal/page/calibrate-from-the-web-portal)<span style="color: rgb(106, 40, 2); background-color: rgb(254, 227, 211);">. If the calibration fails, then follow these steps.</span></p>

If the web calibration fails, please watch the video below to calibrate the RFID directly from the printer.

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