Since its establishment in 1998, Leetek has been one of the leading enterprises in wireless communication in Korea. As a top Korea brand of the paging system, Leetek has been exporting it to over 50 countries globally. Taking it a step further, Leetek has established a total emergency response system to efficiently manage personnel and casualties in emergency situations. The product line of emergency response system includes the Triager-i utilizing IoT technology to increase survival rate of the injured by classifying the patients more rapidly in a crisis with mass casualties.