This is not only a biggest mobile network which is number 1 in such devices as bank terminals, panic buttons, energy counters; it is also a wire provider for so

This is not only a biggest mobile network which is number 1 in such devices as bank terminals, panic buttons, energy counters; it is also a wire provider for some people and currently all of these throughput including kyivstar.ua just stopped working. Not even a slightest sign of a radio signal from base stations.