The TCD-16-23-75X+ from Mini Circuits is a Directional Coupler with Frequency 5 MHz to 2 GHz, Coupling 16.5 dB, Directivity 10 to 22 dB, Power 0.5 to 1 W, Average Power 0.5 to 1 W. Tags: Surface Mount. More details for TCD-16-23-75X+ can be seen below.