Couplers AVX Thin-Film Directional Couplers are based on thin-film multilayer technology. The technology provides a miniature part with excellent high frequency performance and rugged construction for reliable automatic assembly. AVX Thin-Film Directional Couplers are offered in a variety of frequency bands compatible with various types of high frequency wireless systems. Thin-Film Directional Couplers from AVX come in three miniature sizes (0402, 0603, and 0805), offering high directivity, low insertion loss, high isolation, tape and reel, and are surface mountable. Used for balanced amplifiers and signal distribution in wireless communications. AVX has expanded the thin-film directional coupler product line to include the High Directivity LGA Wi-Fi Couplers optimized for Wi-Fi frequencies. The WiFi Bands Couplers are available in 0302, 0402, and 0603 standard sizes that have identical electrical performance. High Directivity couplers and 3dB 90° couplers operate from 400MHz to 6GHz.