The AD387-397D223 from Anatech Electronics is a Diplexer with Frequency f1 385 to 390 MHz, Frequency f2 395 to 400 MHz, Power 100 W, Insertion loss 1.2 dB, Insertion loss f1 1.2 dB. Tags: Module with Connectors, Cavity. More details for AD387-397D223 can be seen below.