The C2-A07 from RD Microwaves is a Dual Directional Coupler with Coupling 30 dB, Coupling Variation ±0.4 to ±0.5 dB, Frequency 824 MHz to 2.17 GHz, Peak Power 3 KW, Average Power 300 W. Tags: Module with Connectors. More details for C2-A07 can be seen below.