Universal sensor DU-R2 and DU-R2U


The wireless universal radio sensor is available in two versions:

  1. DU-R2-Universal radio sensor.
  2. DU-R2U-Universal radio sensor with a radio signal amplifier.

With the help of a radio tag, you can monitor the presence of objects in the PRS reception area: cars in the garage, cars approaching for unloading, etc.

The DU-R2 radio tag can be used for identification:

  • trailers and semi-trailers;
  • mounted tools and tools;
  • other replaceable devices and mechanisms.
  • Power supply of the radio tag: ER14505 battery - 3.6 V, 2400 mAh
  • Data transmission distance DU-R2: up to 80 m
  • Data transmission distance DU-R2U: up to 200 m
Technical characteristics of the DU-R2 and DU-R2U radio Tag


  Sensor type Wireless
  Method of transferring data to compatible devices Radio channel
  Frequency of the data reception/transmission channel 2.4 GHz
  Data transmission distance up to 80 m/ 200 m
  Sensor power supply ER14505 Battery - 3.6 V, 2400 mAh
  Battery life (depends on the operating mode of the sensor and the installed power of the transmitter) up to 10 years
  Self-replacement of the battery by the user yes
  Availability of a radio signal amplifier DU-R2 - no / DU-R2U - yes
  Adjusting the power of the transmitted radio signal DU-R2 - no / DU-R2U - yes
  Power of the radio signal supplied to the antenna DU-R2 +4 dBm / DU-R2U +5 to +22 dBm
  Setting up the sensor With the help of a USB programmer
  Own data archive and the ability to work without a terminal yes
  Communication with the terminal Through the radio signal receiver (PRS)
  Updating the sensor firmware via radio channel yes
  Internal log of assigned sensors yes
  Internal real-time clock yes
  Degree of protection of the radio Tag IP 67
  Warranty period of the radio Tag 36 months
  Service life of the radio Tag 7 years
  Operating temperature range -40..+80 C


The radio tag transmits to the terminal a unique (or specified) identification number in the bundle: "radio Tag-radio signal Receiver-Terminal".
ATTENTION. The tag ID can only be obtained via the Modbus RTU Protocol. Using the LLS Protocol, you can only get information about the status of a specific radio tag.


We are pleased to inform You that the official website of LLC Alpha has been renovated and updated. It is possible to find all the information about the list of services provided by our company, to see the range of our product catalog.
GITEX 2019 exhibition held in Dubai was the first international exhibition which introduced us features of the foreign markets. We would like to thank our partner – Gurtam Company for opportunity to work with them.
We sincerely congratulate the Gurtam - our technology partners, as well as just good friends with conquest of one of the tops of telematics Olympus - reaching the mark of 2 million objects on Wialon!