The AD1950-2140D269-N from Anatech Electronics is a RF Duplexer with Frequency 1920 to 1980 MHz / 2110 to 2170 MHz, Band 1 1920 to 1980 MHz, Band 2 2110 to 2170 MHz, Power 60 W, Insertion Loss 1 dB. Tags: Module with Connectors. More details for AD1950-2140D269-N can be seen below.