Complex sentence: Marking Sepura's first foray into DMR Tier III, the Controller was an innovative product that allowed different protocols to talk to one another, making it popular among organisations migrating from analogue to digital networks.
Split into simpler sentences: Marking Sepura's first foray into DMR Tier III, the Controller was an innovative product that allowed different protocols to talk to one another. As such, it was popular among organisations migrating from analogue to digital networks.