The TDC-05180-10S from Talent Microwave Inc is a Dual Directional Coupler with Coupling 10 dB, Coupling Variation ±1 dB, Frequency 0.5 to 18 GHz, Average Power 50 W, Insertion Loss 3 to 3.4 dB. Tags: Module with Connectors. More details for TDC-05180-10S can be seen below.