The 1777-C3006 from Quantic TRM is a Dual Directional Coupler with Coupling 6 to 30 dB, Coupling Variation ± 0.5 dB, Frequency 140 to 460 MHz, Average Power 100 W, Insertion Loss 0.3 dB. Tags: Module with Connectors. More details for 1777-C3006 can be seen below.