Hybrid 3dB 90° Couplers KYOCERA AVX Hybrid 3dB 90° Couplers are based on thin-film multilayer technology and deliver excellent high-frequency performance. These couplers feature rugged construction and are available in a variety of frequency bands from 400MHz to 6GHz. KYOCERA AVX Hybrid 3dB 90° Couplers are compatible with various high-frequency wireless systems and are ideal for wireless communications, LANs, GPS, and vehicle location systems.