Hyulim Networks Co., Ltd. engages in the development and manufacture of mobile communication antennas. Its products include base station antennas, in-building antennas, high isolation antennas, world interoperability for microwave accesses (WiMAX), long-term evolutions (LTE), window pass cables, and passive intermodulation (PIM) analyzers. The company was founded on October 15, 1997 and is headquartered in Seoul, South Korea.