The DP618D from PLEXSA MANUFACTURING is a Diplexer with Frequency f1 1 to 6 GHz, Frequency f2 6 to 18 GHz, Insertion loss 2 dB, Frequency 1 to 6 GHz / 6 to 18 GHz, Isolation 60 dB. Tags: Module with Connectors. More details for DP618D can be seen below.