The AD9C902/947F25KCA 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 3.1 dB, Attenuation 44 to 45 dB. Tags: Surface Mount. More details for AD9C902/947F25KCA can be seen below.