The JP520S Pico-Xinger is a low-profile, miniature 20dB directional coupler with an easy-to-use surface-mount package, specifically designed for UMTS and WCDMA applications. The JP520 is used for power and frequency detection as well as power injection. The JP520 is an ideal solution for the growing demand for small printed circuit boards and high performance in the wireless industry. The parts have undergone strict qualification tests and 100% of the units have been tested. They are manufactured using materials with x and y thermal expansion coefficients compatible with ordinary substrates.