1P510S Pico-Xinger is a low-profile, miniature 10dB directional coupler with an easy-to-use surface-mount package, specifically designed for DCS and PCS applications. 1P510S is used for power and frequency detection as well as power injection. 1P510S 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 common substrates.