The QSDC-3300-3800-K2-30-N from Qualwave is a Directional Coupler with Frequency 3300 to 3800 MHz, Coupling 30±0.4 dB, Directivity 10 dB, Average Power 200 W, Insertion Loss 0.3 dB. Tags: Module with Connectors. More details for QSDC-3300-3800-K2-30-N can be seen below.