The RWC3400_3800MC30dB01 from RF MORECOM COREA is a Directional Coupler with Frequency 3.4 to 3.8 GHz, Coupling 30 dB, Directivity 18 dB, Average Power 200 W, Insertion Loss 0.3 dB. Tags: Module with Connectors. More details for RWC3400_3800MC30dB01 can be seen below.