The RFDC-13DBA-43F from RF Industries is a Directional Coupler with Frequency 380 MHz to 2.7 GHz, Coupling 13 dB, Coupling Variation 1.2 dB, Directivity 20 dB, Average Power 400 W. Tags: Module with Connectors. More details for RFDC-13DBA-43F can be seen below.