The C2P3G3P7G10D from Lotus Communication Systems is a Directional Coupler with Frequency 2.3 to 3.7 GHz, Coupling 10 dB, Directivity 21.1 dB, Average Power 2 W, Insertion Loss 1.3 dB. Tags: Module with Connectors. More details for C2P3G3P7G10D can be seen below.