The TDC-60400-20K from Talent Microwave Inc is a Dual Directional Coupler with Coupling 20 dB, Coupling Variation ±1 dB, Frequency 6 to 40 GHz, Average Power 30 W, Insertion Loss 1.5 to 1.7 dB. Tags: Module with Connectors. More details for TDC-60400-20K can be seen below.