The RDC-10-122-75X+ from Mini Circuits is a Directional Coupler with Frequency 5 to 1250 MHz, Coupling 10 dB, Directivity 12 to 21 dB, Average Power 1.0 W, Insertion Loss 1.1 to 1.8 dB. Tags: Surface mount. More details for RDC-10-122-75X+ can be seen below.