The TC-260400-30K from Talent Microwave Inc is a Directional Coupler with Frequency 26 to 40 GHz, Coupling 30 dB, Coupling Variation ±1.2 dB, Directivity 10 to 12 dB, Average Power 50 W. Tags: Module with Connectors. More details for TC-260400-30K can be seen below.