The TDC-10500-20K from Talent Microwave Inc is a Dual Directional Coupler with Coupling 20 dB, Coupling Variation ±2 dB, Frequency 1 to 50 GHz, Average Power 30 W, Insertion Loss 3.2 to 3.6 dB. Tags: Module with Connectors. More details for TDC-10500-20K can be seen below.