krtnet Co., Ltd. is a Korea-based company engaged in the construction, sale and operation of base stations for wireless communications. The Company provides three main services: construction of wireless shared base stations which provide services for pagers, personal communications and wideband code division multiple access (WCDMA); the installation and operation of shared repeaters in subways and undergrounds which provide services through network management systems (NMS), as well as the satellite digital multimedia broadcasting (DMB) services.