The KEK-706H from Synergy Microwave Corporation is a Directional Coupler with Frequency 500 MHz to 2.5 GHz, Coupling 30 to 31.5 dB, Coupling Variation ±0.5 to 2.5 dB (Flatness), Directivity 12 to 17 dB, Average Power 100 W. Tags: Module with Connectors. More details for KEK-706H can be seen below.