The QSDC-80-1000-K25 from Qualwave is a Directional Coupler with Frequency 80 to 1000 MHz, Coupling 40±1 dB, Directivity 16 dB, Average Power 250 W, Insertion Loss 0.3 dB. Tags: Module with Connectors. More details for QSDC-80-1000-K25 can be seen below.