The 106040010 from Krytar is a directional coupler that operates from 6 to 40 GHz. This 10 dB coupler has a directivity of over 12 dB and an insertion loss of less than 1.8 dB. It can handle up to 20 watts of average power and has a VSWR of 1.6:1. The coupler is available in a module with 2.4mm female connectors.