The DP618B from PLEXSA MANUFACTURING is a Diplexer with Frequency f1 2 to 6 GHz, Frequency f2 6 to 18 GHz, Insertion loss 1.7 dB, Frequency 2 to 6 GHz / 6 to 18 GHz, Isolation 65 dB. Tags: Module with Connectors. More details for DP618B can be seen below.