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About Wireless Active Sensors (Battery-Powered) icon-battery-40-pix

About Wireless Active Sensors

For more specific information on our active wireless sensors see:

See the latest advancements in Wireless Sensing – Leap Sensors.

Active Sensors – Custom Solutions product line page.


  • Ultra long battery life of many years make these sensors Practically Battery Free™.
  • Sensor transmissions include sensor ID and time stamp.
  • Designed for harsh environments.
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Questions about Phase IV Engineering's RFID & wireless sensor technology? Need a quote for a specialized wireless sensor solution? Talk to one of our wireless sensing experts today.
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To see the advantages and disadvantages of battery-free (passive) RFID sensors compared to other wireless technologies, see the Wireless Technologies Overview Page.