The CER0692C from CTS Electronic Components is a RF Duplexer with Frequency 880 to 960 MHz, Band 1 925 to 960 MHz, Band 2 880 to 915 MHz, Power 20 to 200 W, Insertion Loss 2.1 to 2.3 dB. Tags: Ceramic, Surface Mount. More details for CER0692C can be seen below.