Wi-SUN is enjoying a good few years, and now seems to have turned a new corner – enticing national wireless network operators to set up Wireless Smart Utility Network (Wi-SUN) offerings alongside their core licensed cellular offerings. UPC Switzerland is the second to do so, following ESB Telecoms in Ireland last August. Wi-SUN isn’t the first option most people think off when they hear the term ‘LPWAN,’ but it certainly meets the criteria. While capable of multi-mile transmissions, the mesh protocol can make multiple hops between endpoints to reach its intended destination. It also tends to have much lower latencies than other unlicensed LPWAN protocols, and usually higher bandwidth – and it’s IPv6 compliant. Now, LoRa and Sigfox seem to…