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DABRF-X4 from Ingenieurbüro Mulka

The new quad DAB+ analysis receiver from Mulka Engineering replaces the established DABRF and offers several new features.


Professional quad DAB+ analysis receiver and quad DAB+ modulator in one device.

Originally developed for public transport to carry digital radio channels on buses and trains, this powerful new platform is used for the DABRF-X4 and replaces the established DABRF test receiver within the DAB-XPlorer family.

The DABRF-X4 is a powerful analysis tool and offers great potential for future enhancements. All existing functions will continue to be supported:

  • DAB signal recorder / playback device / analyzer
  • Recording of ETI/EDI data streams via antenna input
  • Playback of recorded ETI/EDI data streams
  • Multiplex Analysis
  • Measurement runs and coverage measurement
  • SFN Timing Analysis

… and among other things, the following new features have been added:

  • RF recording in the form of I/Q samples with a bandwidth of 1.6 MHz
  • Simultaneous COFDM modulation of up to 4 different ETI or EDI data streams
  • RF measuring point for the AVT MAGIC DABMUX plus monitoring decoder

The DABRF-X4 can be powered either via PoE, a 12V-24V DC power supply unit, or via USB-C (12V).


Download Datasheet


Press article on the use of DABRF in RADIOWORLD BY MIREK OSTROWSKI – technical director for Radio Wrocław (PL)

Users of DABRF include BR, MDR, rbb, RMS, Audi, Skoda, Ford, Alpine, and many more…


See also:


DAB+, DAB+ Analyse, DABRF-X4, ETI, IB Mulka, Ingenieurbüro Mulka, SFN

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