Anritsu Co. announces it successfully completed testing of GCT Semiconductor’s 4G LTE-Advanced chip, GDM7243Q, using Anritsu’s MD8430A signaling tester with Rapid Test Designer (RTD). GCT Semiconductor, a leading designer and supplier of advanced 4G mobile semiconductor solutions, offers an advanced FDD-TDD LTE Category 5/6/7 single chip, with the world’s first 4X4 MIMO carrier aggregation for LTE.