http://www.ekn.kr/news/article.html?no=370177  

▲ KT can normalize its communication environment through backpack LTE developed by Innonet in a place where communication environment is not smooth. (Photo by Lee Soo Il) 

In areas where communication is difficult, such as in mountainous areas, KT plans to solve the problem through backpack LTE, which was launched in 2015. A KT official said, "If the rescue crew or the KT operation crew carry the backpack LTE and go to the place where the victim is located, the communication problem will be solved." We will be ready to predict the possible distress situation and respond in three dimensions "He said.