The TCD-9-1W+ from Mini Circuits is a Directional Coupler with Frequency 5 MHz to 2 GHz, Coupling 8.48 to 8.97 dB, Directivity 7.28 to 21.65 dB, Power 0.5 to 1 W, Average Power 0.5 to 1 W. Tags: Surface Mount. More details for TCD-9-1W+ can be seen below.