Orange has evolved from telco giant to one of Europe’s most promising champions of the burgeoning smart home scene, with innovations ranging from its AI assistant Djingo in partnership with Deutsche Telekom, to interactive mirrors (which were mysteriously absent at this year’s MWC), right down to the nittier and grittier world of sensors and networks. The French colossus recently made a move in the latter field which many may have missed – rolling in Californian vendor DSP Group to enable future smart home applications via the DECT (cordless phones) ultra-low energy (ULE) protocol. Orange plans to roll out products and services based on DSP’s ULE chips this coming spring, including a motion sensor, smart plug, smart light bulb and door/window-opening…