The DBTC-16-5-75X+ from Mini Circuits is a Directional Coupler with Frequency 5 MHz to 1.5 GHz, Coupling 16.1 to 17.35 dB, Directivity 16.4 to 25.13 dB, Power 0.5 to 1 W, Average Power 0.5 to 1 W. Tags: Surface Mount. More details for DBTC-16-5-75X+ can be seen below.