The DBTC-10-13+ from Mini Circuits is a Directional Coupler with Frequency 5 MHz to 1 GHz, Coupling 9.96 to 10.82 dB, Directivity 15.45 to 22.65 dB, Power 0.5 to 1 W, Average Power 0.5 to 1 W. Tags: Surface Mount. More details for DBTC-10-13+ can be seen below.