The CER0932A from CTS Electronic Components is a RF Duplexer with Frequency 699 to 745 MHz, Band 1 729 to 745 MHz, Band 2 699 to 715 MHz, Power 5 W, Insertion Loss 2.8 to 3.9 dB. Tags: Ceramic, Surface Mount. More details for CER0932A can be seen below.