Knowles DLI’s surface-mount directional coupler series span the frequency spectrum of C, X, and Ku bands. Both 10 dB and 20 dB coupling values are available within each frequency band both with a common footprint for maximum flexibility. These couplers incorporate DLI’s low loss high permittivity ceramics, which provide small size and temperature stability. These couplers offer a turnkey surface-mount solution for high frequency power monitoring.