uTrust 3721F HF + LF Keyboard Emulator

129.00 €
As low as 106.85€/pz. for 20 pieces . Learn more

Reference LS-UT3721HF+LF

The Identiv uTrust 3721 F HF+LF is able to read, in keyboard emulation mode, RFID Tags 13.56 MHz (NFC, ISO 14443 / 15693) and 125 kHz.


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Volume discounts

Quantity Discount Unit Price
10 10.1% 115.97 €
20 17.17% 106.85 €

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The Identiv uTrust 3721 F HF+LF reader is able to read, in keyboard emulation mode, both RFID HF and LF Tags. It supports ISO14443 and ISO15693 standards. It's compatible with Windows, Mac, Linux and Android, it comes with its configuration software, to customize the output format.

Driver, Tools and Utilities

The drivers and configuration software can be downloaded from the official website of Identiv, the manufacturer.

Technical Specifications

Supported Operating Systems

PC/SC Specification Ver. 2.01.13 for:

  • Windows® 7/8/8.1/10/11 (32 and 64 bit)
  • Windows® Server 2008/2012/2016 
  • macOS 10.6.x – 10.15.x
  • Linux 2.4.x, 2.6.x,3.x, 4.x, 5.x (32 and 64 Bit)
  • Android 4.0 and higher
Supported Standards
  • ISO14443 Type A and Type B
  • ISO 15693
  • NTAG®
  • MIFARE® Classic 1K and 4K
  • MIFARE® DESFire® EV1 / EV2 /EV3
  • MIFARE® Ultralight, Ultralight C
  • MIFARE Plus®
  • ICODE®
  • FeLiCA
  • Calypso
  • iClass Uland
  • LF (ASK, FSK, PSK)
Data transfer Rate

ISO 14443: 106 Kbps, 212 Kbps, 424 Kbps, and 848 Kbps, depending on NFC IC

ISO 15693: 26/52 kbps, depending on card IC

Approvals RED 2014/53/EU, FCC part 15 Subpart C, RoHS3, REACH, and WEEE
Operating Frequency 13.56 Mhz and 125 kHz
Read Distance up to 2,5 cm
Operating Temperature -20º to 70ºC 
Storage Temperature -25° to 85ºC 
Dimensions 91 x 75 x 12 mm (3.583 x 2.953 x 0.472 in)
Weight 88 gm
Indicators Bi-color green and red LEDs

Data sheet

NFC Standard
ISO/IEC 14443-A, 15693
Commodity code (HS)
Country of origin


uTrust 3721F HF+LF KE

Identiv uTrust 3721F HF+LF Keyboard Emulator - Datasheet

Download (39.4k)

Identiv Readers Compatibility

Compatibility table of Readers with HF and LF chips

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