Koryolink, North Korea’s only 3G cellular operator, saw sales more than double in the first three months of this year as it expanded its network coverage and enjoyed continued demand for its service.

At the end of March the company had 125,661 subscribers, a gain just under 34,000 subscribers over the quarter, according to majority-shareholder Orascom Telecom. The Egyptian company, which invests in cellular operators in developing nations, owns 75 percent of Koryolink.

Read the full story at PC World.