The DBTC-13-5-75+ from Mini Circuits is a Directional Coupler with Frequency 5 MHz to 1.5 GHz, Coupling 13.06 to 13.9 dB, Directivity 17.38 to 21.69 dB, Power 0.5 to 1 W, Average Power 0.5 to 1 W. Tags: Surface Mount. More details for DBTC-13-5-75+ can be seen below.