The AD9C902/947F25HCA from Vanlong is a RF Duplexer with Frequency 890 to 960 MHz, Band 1 890 to 915 MHz, Band 2 935 to 960 MHz, Insertion Loss 3.8 to 4.3 dB, Attenuation 40 to 42 dB. Tags: Surface Mount. More details for AD9C902/947F25HCA can be seen below.