The QSDC-2000-26500-30 from Qualwave is a Directional Coupler with Frequency 2000 to 26500 MHz, Coupling 6±0.7 to 30±0.6 dB, Directivity 13 to 14 dB, Average Power 30 W, Insertion Loss 1 to 2.6 dB. Tags: Module with Connectors. More details for QSDC-2000-26500-30 can be seen below.