The QSDC-180-220-2K-40-NS from Qualwave is a Directional Coupler with Frequency 180 to 220 MHz, Coupling 40±0.3 dB, Directivity 20 dB, Average Power 2000 W, Insertion Loss 0.2 dB. Tags: Module with Connectors. More details for QSDC-180-220-2K-40-NS can be seen below.