The JFCDC0380T3600NF20 from JQL Electronics is a Directional Coupler with Frequency 380 MHz to 3.6 GHz, Coupling 20 dB, Coupling Variation ±2 dB, Average Power 200 W, Insertion Loss 0.3 dB. Tags: Module with Connectors. More details for JFCDC0380T3600NF20 can be seen below.