Home - SOLiD Partner with us for reliable in-building mobile coverage using distributed antenna systems (DAS). Our experts in North America, EMEA & Korea are ready to help. SOLiD (KOSDAQ: A050890] is a leading provider of equipment solutions for wireless networks, including GSM, CDMA, WCDMA,DMB, and Mobile WiMAX. Offering optical networking and DAS solutions to keep people connected and safe in a rapidly changing world.