The SCP-4307-B7B7 from ETL Systems is a Directional Coupler with Frequency 850 MHz to 2.15 GHz, Coupling 10 dB, Coupling Variation ±1.8 dB, Directivity 14 dB, Average Power 5 W. Tags: Module with Connectors. More details for SCP-4307-B7B7 can be seen below.