The 11DP-3D8G/12G-CD-SFF from Quantic PMI (Planar Monolithics) is a Diplexer with Frequency f1 3.4 to 4.2 GHz, Frequency f2 10.9 to 13.1 GHz, Insertion loss 1 dB, Insertion loss f1 1 dB, Insertion loss f2 1 dB. Tags: Module with Connectors, Cavity. More details for 11DP-3D8G/12G-CD-SFF can be seen below.