Tōhoku chihō de keitai denwa no tsūshin ga shūchū shite iru tame, tsūshinmō o mamoru tame no hasshin kisei o shite ori, keitai denwa wa tsunagarinikuku natte iru to iu koto desu.Because of overwhelming cell phone usage in the Tohoku region, protective limitations have been placed on the communications network's transmission capacity, and they have made it difficult for calls to go through.