The WVX-815P860-18B810 from Wevercomm is a RF Duplexer with Frequency 806 to 824 MHz / 851 to 869 MHz, Band 1 806 to 824 MHz, Band 2 851 to 869 MHz, Power 5 W, Insertion Loss 2 dB. Tags: Ceramic, Surface Mount. More details for WVX-815P860-18B810 can be seen below.