The C1-A60E-15-XXX from RD Microwaves is a Directional Coupler with Frequency 0.4 to 13 GHz, Coupling 15 dB, Coupling Variation 1 dB, Frequency Sensitivity ±0.8 dB, Directivity 15 to 20 dB. Tags: Module with Connectors. More details for C1-A60E-15-XXX can be seen below.