The C4P7G5P9G5D from Lotus Communication Systems is a Directional Coupler with Frequency 4.7 to 5.9 GHz, Coupling 5 dB, Directivity 19 dB, Average Power 2 W, Insertion Loss 0.8 dB. Tags: Module with Connectors. More details for C4P7G5P9G5D can be seen below.