SOLiD, Inc. provides communication solutions in South Korea and internationally. The company offers distributed antenna systems (DAS), including multi-carrier DAS, single-carrier DAS, high power multi-band DAS, and DMS DAS management systems; and interference cancellation systems (ICS), such as high power ICS, low power plug-n-play repeaters, and integrated repeater operation management centers. It also provides metro products comprising re-configurable optical add-drop multiplexer devices; fiber multiplexing solutions; hybrid cooling systems; and tactical information communication systems. In addition, the company offers engineering and design, monitoring and maintenance, training and certification, and support and other services, as well as optical solutions. The company was formerly known as SOLiD Technologies, Inc. and changed its name to SOLiD, Inc. in April 2012. SOLiD, Inc. was founded in 1998 and is headquartered in Seongnam, South Korea.