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Kathrein ARU4 Series Integrated UHF RFID Reader

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52010271 + IPJ-A2051-USA + 52010179
Usually Ships in 2 to 3 Weeks

 Product Description

Kathrein ARU4 Series Integrated UHF RFID Reader

The Kathrein ARU4 Series Integrated UHF RFID Reader is unit with an Ethernet communication interface and an integrated antenna to read out active and passive RFID tags in the frequency range from 902 to 928 MHz. The device can read and write tags conforming to the EPC Gen2 standard (ISO 18000-6C) from delivery status. The unit contains an integrated antenna, simplifying cabling and providing an economical application solution. With the Linux running on the embedded PC based on the Q7 standard, a high computing power is available. The user can set up and run his own complex applications. Thus, the device is ideal for applications with time-critical filters in high to very high tag populations.

US Data Sheet — ARU4-ELC-U6


EU Data Sheet  ARU4-ELC-E6


© KRAI US Data Sheet ARU4-ELK-U6


© KRAI EU Data Sheet ARU4-ELK-E6


What's included?

  • Kathrein ARU4 Series Integrated UHF RFID Reader Unit
  • Power Adaptor
  • Power Cord

Why buy this reader?

The Kathrein ARU4 Series Integrated UHF RFID Reader includes an RFID Antenna, simplifying cabling and providing an economical solution. It includes a Linux-based intelligence module so that applications can be run directly on the reader.


  • Dense Reader Mode available.
  • Output power adjustable from 6 dBm up to 33 dBm in 0.25 dB steps.
  • Calibrated output power from 17 dBm up to 33 dBm (50 mW - 2 W).
  • Integrated Wide Range 70° RFID Antenna.
  • Combined TX/RX antenna ports (1 internal, 3 external).
  • System compliant to EPC Class 1 Gen2/ISO 18000-6C standards.

What is Kathrein RFID Antenna Interface (© KRAI)?

The Kathrein © KRAI system includes proprietary Kathrein readers and antennas that allow for the use of up to 4 antennas simultaneously in any combination with a Kathrein © KRAI enabled RFID reader. Kathrein © KRAI Smart Shelf Antennas have two ports to allow for the chaining of antennas together. A maximum of 8 Smart Shelf Antennas can be cascaded at a single antenna port allowing for selective access to up to 32 individual antennas and the reading result to be linked to the antenna recognition and be output. This functionality is great for smart shelf deployments, or any application that requires a large number of antennas.

The phase control elements integrated into the Kathrein Wide Range 70° © KRAI Antenna enables static or dynamic adjustments of antenna characteristics. Due to this, four different polarizations can be selected: RHCP, LHCP, horizontal linear, and vertical linear. One can choose between static polarization and automatic switch-over. Using this combination, it is possible to automatically control a large number of extended functions in an entire RFID system. 

NOTE: Kathrein Wide Range 70° Antennas cannot be cascaded. Kathrein © KRAI Antennas can be operated ONLY in conjunction with © KRAI enabled readers.


Air Interface Protocol:
EPCglobal UHF Class 1 Gen 2 (ISO 18000-6C)
Operating Frequency:
US (902-928 MHz), EU (865-868 Mhz)
Transmit Power:
+36 dBm (US), +33 dBm (EU)
Max Receive Power:
-80 dBm
Max Read Distance:
Up to 59.06 ft (18 m)
Max Read Rate:
Not Published
Data Interface:
Ethernet 10/100
4 Digital Inputs; 4 Digital Outputs
Power Source:
Power Adaptor and Cord
Antenna Ports:
4 RPTNC Female Connectors
10.6 x 10.6 x 3.5 in (270 x 270 x 88 mm)
7.32 lbs (3320.3 g)
IP Rating:
IP 65
Operating Temperature:
-20° to +55° C
Host API:
.NET, Linux X86, AMD64, ARMv4T, ARMv7A, JAVA (Beta)
Demo Software:

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