The FPC06913 from Knowles is an Asymmetric Directional Coupler that operates from 6 to 18 GHz. This 20 dB coupler has a passband insertion loss of less than 1 dB and directivity of over 10 dB. The coupler is available in a surface-mount package that measures 4.572 x 2.794 x 0.381 mm.
