The WVX-836.5P881.5-25C810 from Wevercomm is a RF Duplexer with Frequency 824 to 849 MHz / 869 to 894 MHz, Band 1 824 to 849 MHz, Band 2 869 to 894 MHz, Power 5 W, Insertion Loss 2 dB. Tags: Ceramic, Surface Mount. More details for WVX-836.5P881.5-25C810 can be seen below.