Who Makes Passive RFID Sensors?

Can you please suggest some companies I might contact?

—Ka Hwee

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Ka Hwee,

There are a variety of passive sensors on the market for sensing fall impacts, as well as temperature, humidity and pressure levels, and other factors. Among them:

Farsens has been one of the leading providers of passive sensors (see Spanish Startup Focuses on Passive RFID Sensors for Manufacturing and Other Industries).

SpotSee offers a passive UHF sensor that indicates if an item has been dropped (see Finalists Unveiled for 14th Annual RFID Journal Awards).

Infratab offers a complete solution, including sensors and software, for monitoring fresh produce (see Award Finalist Session: Best New Product: Infratab).

Identiv offers a passive HF RFID temperature-tracking solution (see Identiv Offers NFC RFID Temperature-Tracking Solution).

And Smartrac (now part of Avery Dennison) partnered with RFMicron (now Axzon) to develop passive temperature and moisture sensors (see Smartrac, RFMicron Release Passive RFID Temperature Sensor Technology)

Other companies with sensors that we've written about include KCF Technologies (see KCF Technologies to Launch Energy-Harvesting Wireless Sensors), Monnit (see Wireless Sensors Help Ye Ol' Geezer Stay Cool), Point Six Wireless (see Five Guys Uses Sensors to Keep Things Fresh) and Libelium (see IoT Agricultural Specialist Helps Australian Nursery Become More Profitable).

I hope this helps, and that we'll see you at RFID Journal LIVE! 2020 in September.

—Mark Roberti, Founder and Editor, RFID Journal