RFID & Wireless IoT Search
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E-magazine RFID & Wireless IoT Global Issue 02/2022
UHF RFID Battery-free Humidity and Temperature Sensor Tag

UHF RFID Battery-free Humidity and Temperature Sensor Tag

The EVAL01-Hygro-Fenix-RM is a UHF RFID battery-free humidity and temperature sensor tag. The device features a HTS221 relative humidity and temperature sensor from ST Microelectronics with a 0 % to 100 % humidity range and a -30 °C to +85 °C temperature range. The humidity and temperature sensor tag provides an accuracy of ±3.5 % in humidity and ±1 °C in temperature. The tag is compatible with EPC C1G2 RFID commercial readers. No custom hardware or custom commands are required.

The EVAL01-Hygro-Fenix-RM is ideal for asset and process tracking as it provides a unique identification number plus ambient humidity and temperature data of the associated sensor. It works for applications such as leather manufacturing control or plant growing in greenhouses. Other sensors and components are available for different application, such as pressure sensor, strain Sensor, orientation sensor, LED, bistatic relay, etc.

Gavin Rao

Gavin Rao
Sales Director Europe
San Sebastian, Spain

Key Facts

  • Long range in passive mode: 5 m
  • Extended range in battery assisted passive mode: 20 m
  • Ambient Temperature sensor
    • Range: -40 °C to 85 °C – Accuracy: ±1 °C
  • Relative Humidity sensor
    • Range: 0 % rH to 100 % rH
  • Accuracy: ±3.5 % rH
  • Pick to light indicator for visual identification


  • Warehouse
  • Cold Chain
  • Agriculture
  • Pharmaceuticals and Healthcare
  • Food and Drinks

As the largest RAIN RFID partner organization, RichRFID specializes in designing and manufacturing passive RFID (NFC & HF & UHF) inlays & labels, on-metal tags, anti-metal labels, RFID+EAS tags, tire tags, and etc. for retail, asset management, warehouses, logistics, healthcare, industry 4.0, and etc.

After acquiring Farsens wholly in 2020, a well-known passive UHF+ sensor chip company in Spain, we launched UHF+sensor chips and tags for TMPS, temperature, pressure, humidity, LED light, orientation, luminosity, weight, smart switches, and etc.

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