Last year we announced a new series of compact TETRA Mobile Combiner Units for the new extended TETRA band (low 380-386,5 MHz/High 390-396,5 MHz) introduced into some European countries. Initially, the two band versions (PRO-MCU380-EXT & PRO-MCU380-EXT-2-REV) were only available. We are pleased to announce that three and four band versions are also available.