The HDL-32-30-7/16 from MCLI is a Dual Directional Coupler with Coupling 30 dB, Frequency 500 MHz to 1 GHz, Average Power 500 W, Insertion Loss 0.2 dB, Directivity 20 dB. Tags: Module with Connectors. More details for HDL-32-30-7/16 can be seen below.