The eleventh newsletter was delivered on the 18th of March 2022 and focused on sensors, i.e. their deployment in the TURNkey testbeds and their operation. It also provided general information about the final TURNkey meeting in Orihuela (province of Alicante, Spain) on April 25-28, 2022, and about the GeoSense Cluster, in which TURNkey participated together with CRISIS, METIS, REDACt. To read this newsletter, click here.