[DISCLOSURE] CS (065770) announced on Sept. 20 that it has signed a 4.48 billion won (US$ 4 million) contract with SK Telecom (017670) to supply long-term evolution (LTE) optical dispersion and repeater.

This amounts to 8.18 percent of its revenue last year and expires Dec. 23, 2016.

By Yun Jeong-hyeon ()