The TCD-6-122-75X+ from Mini Circuits is a Directional Coupler with Frequency 5 MHz to 1.25 GHz, Coupling 6.7 dB, Directivity 8 to 15 dB, Power 0.3 to 0.5 W, Average Power 0.3 to 0.5 W. Tags: Surface Mount. More details for TCD-6-122-75X+ can be seen below.