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What Type of RFID Tag Is Best for Retail?

Posted By RFID Journal, 02.03.2020

What antenna has the longest rewrite, deactivation and kill range for tags used in the retail market?

—Giovanni,

———

Giovanni,

I cannot definitively answer that question because there are a variety of factors that could affect a reader antenna's performance. One is the model of reader to which it is attached. Another is the tags being used. A linear-polarized antenna will give you a longer read, write and deactivation range than a circular-polarized antenna. But if the tags are in random orientation, you will need to use a circular-polarized antenna.

Another issue is the beam-width for which the antenna is designed. In general, a narrower beam width will deliver a longer read, write and deactivation range, but if you need to read tags over a wide area, this kind of antenna might not be suitable. A third issue is frequency range. If the antenna provides a long read range but cannot be used in your region due to government regulations, it's not very useful.

I would suggest you contact Times-7 and MTI Wireless Edge. These two companies have a lot experience in the antenna market and can help you select the right one for your application.

I hope to see you at RFID Journal LIVE! 2020, where you can learn a lot more about RFID tags, antennas, readers and more.

—Mark Roberti, Founder and Editor, RFID Journal

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