The TDC-10265-30S from Talent Microwave Inc is a Dual Directional Coupler with Coupling 30 dB, Coupling Variation ±1.8 dB, Frequency 1 to 26.5 GHz, Average Power 30 W, Insertion Loss 2.6 to 3 dB. Tags: Module with Connectors. More details for TDC-10265-30S can be seen below.