Founded in 1997, as a California Corporation, Global Communication Semiconductors, LLC ("GCS") is an ISO-certified premier pure_play compound (III-V) semiconductor (GaAs, InP and GaN ) wafer foundry service provider that manufactures technology leading, high performance, high quality, semiconductor devices. Portfolio offerings include Radio Frequency Integrated Circuits (RFIC) and millimeter wave integrated circuits for the wireless communications markets and Photodetectors and Lasers for optical communications markets.

GCS offers foundry services for RF/Wireless and Optoelectronics in addition to GCS designed proprietary optical wafers and Advanced Optoelectronics Components (AOC).