• Sense of Sigfox feud as LoRa Alliance formally launches • Wirepas claims 700,000 node mesh network, breaks 1m deployed barrier • Sequans begins march to Cat 0 LTE with Cat 1 modem and Verizon trial • Spirent dives into IoT network testing, warns of legacy complications Sigfox wins and LoRa launch lay grounds for quiet but bitter rivalry At MWC, Sigfox was on show with a booth full of devices that were using the low-power radio protocol, as well as announcing the launch of the Sigfox network in Portugal. Amid a dozen or so devices, we saw a HydroKo water valve, a Gaslog gas meter and the Z#BRE box that tracks care-worker visits to a home. In a hail…