The RFDC-4.8DBC-43F from RF Industries is a Directional Coupler with Frequency 698 MHz to 2.7 GHz, Coupling 4.8 dB, Coupling Variation 0.8 dB, Average Power 300 W, Peak Power 1.3 kW. Tags: Module with Connectors. More details for RFDC-4.8DBC-43F can be seen below.