The 2011-C50 from Quantic TRM is a Dual Directional Coupler with Coupling 50 dB, Coupling Variation ± 0.5 dB, Frequency 20 MHz to 1 GHz, Average Power 200 W, Insertion Loss 0.4 dB. Tags: Module with Connectors. More details for 2011-C50 can be seen below.