The DC3055C from Quantic TRM is a Directional Coupler with Frequency 90 MHz to 1.25 GHz, Coupling 30 ±0.5 dB, Coupling Variation ± 0.5 dB, Directivity 20 dB, Average Power 2 W. Tags: Module with Connectors. More details for DC3055C can be seen below.