The TDC-10-1+ from Mini Circuits is a Directional Coupler with Frequency 10 to 400 MHz, Coupling 10.38 to 10.59 dB, Directivity 19.10 to 61.61 dB, Power 1 to 2 W, Average Power 1 to 2 W. Tags: Surface Mount. More details for TDC-10-1+ can be seen below.