The ADC-20-WBS-LP-DF-CC from Amphenol Procom is a Directional Coupler with Frequency 380 MHz to 2.7 GHz, Coupling 20 dB, Coupling Variation ±1.2 dB, Directivity 20 dB, Power 500 W. Tags: Module with Connectors. More details for ADC-20-WBS-LP-DF-CC can be seen below.