The AD1907-1987D226 from Anatech Electronics is a Diplexer with Frequency f1 1905 to 1910 MHz, Frequency f2 1985 to 1990 MHz, Insertion loss 1.4 dB, Insertion loss f1 1.4 dB, Insertion loss f2 1.4 dB. Tags: Module with Connectors, Cavity. More details for AD1907-1987D226 can be seen below.