The AD1500-3500D294 from Anatech Electronics is a RF Duplexer with Frequency 800 to 2200 MHz / 3400 to 3600 MHz, Band 1 800 to 2200 MHz, Band 2 3400 to 3600 MHz, Insertion Loss 1 dB, Isolation 40 dB. Tags: Module with Connectors. More details for AD1500-3500D294 can be seen below.