UHF Wet Inlay Web DF EM4423
  • UHF Wet Inlay Web DF EM4423

UHF Wet Inlay Web DF EM4423

Smartrac Web DF combines RFID HF (NFC) and UHF technology in one single inlay. You can read it both with a NFC-enabled smartphone and a UHF reader.


Smartrac Web DF is equipped with the EM4423 chip that combines two functionalities on one single die: the EPC technology used for long-range application purposes, and the NFC technology used to exchange data in close proximity. Both protocols may share a common, unique ID.

Technical Specifications:

  • IC: EM4423
  • Memory: 1920 bit (240 byte) - memory can be accessed and written using both ISO 18000-63 / Gen 2 and ISO 14443A-3 protocols
  • Frequency: HF 13.56 MHz and UHF 860-960 MHz
  • Antenna Size: 50 x 30 mm / 2.0 x 1.2 in
  • Die-Cut Size: 54 x 34 mm / 2.1 x 1.3 in
  • Web Width: 60 mm / 2.4 in
  • Operating Temperature: -40°C to +85°C / -40°F to +185°F
  • Adhesive: Acrylic, water borne adhesive
  • Shelf Life: +20°C, 50%RH / 68°F, 50%RH - minimum 2 years from the date of manufacturing

Application Areas:

  • Retail
  • Loyalty programs
  • Media & Advertising
  • Product Authentication
  • Inventory Management
  • Supply Chain Management

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