Certification enables interchangeability and interoperability between products made by diverse range of manufacturers – lowering costs and accelerating time to market London, UK Tuesday 14th June 2022 Urban Control, the leading smart city solutions provider, today announced that its Urban Node 324 Cellular IoT LED streetlight luminaire controller has become the world’s first NB-IoT and LTE-M lighting controller to receive D4i certification from the DALI Alliance...