The QSDC-1000-44000-1-10-2 from Qualwave is a Directional Coupler with Frequency 1000 to 44000 MHz, Coupling 10 dB, Directivity 10 dB, Average Power 1 W, Insertion Loss 2.5 dB. Tags: Module with Connectors. More details for QSDC-1000-44000-1-10-2 can be seen below.