The C1-A07-10 from RD Microwaves is a Directional Coupler with Frequency 376 to 500 MHz, Coupling 10 to 11 dB, Coupling Variation ±0.8 dB, Directivity 30 dB, Average Power 400 W. Tags: Module with Connectors. More details for C1-A07-10 can be seen below.