The MD8C830/875F10FCA from Vanlong is a RF Duplexer with Frequency 825 to 880 MHz, Band 1 825 to 835 MHz, Band 2 870 to 880 MHz, Insertion Loss 2.5 to 3.2 dB, Attenuation 45 to 50 dB. Tags: Surface Mount. More details for MD8C830/875F10FCA can be seen below.