The TDC-10265-10S from Talent Microwave Inc is a Dual Directional Coupler with Coupling 10 dB, Coupling Variation ±1.8 dB, Frequency 1 to 26.5 GHz, Average Power 30 W, Insertion Loss 2.2 to 2.8 dB. Tags: Module with Connectors. More details for TDC-10265-10S can be seen below.