The AD7C830/875F10HCA 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 dB, Attenuation 50 to 55 dB. Tags: Surface Mount. More details for AD7C830/875F10HCA can be seen below.