The C1P7G2P2G20D from Lotus Communication Systems is a Directional Coupler with Frequency 1.7 to 2.2 GHz, Coupling 20 dB, Directivity 21.4 dB, Average Power 2 W, Insertion Loss 0.6 dB. Tags: Module with Connectors. More details for C1P7G2P2G20D can be seen below.