The WVC-751.5D781.5-11M01 from Wevercomm is a RF Duplexer with Frequency 746 to 757 MHz / 776 to 787 MHz, Band 1 746 to 757 MHz, Band 2 776 to 787 MHz, Insertion Loss 2.5 dB, Isolation 70 dB. Tags: Module with Connectors. More details for WVC-751.5D781.5-11M01 can be seen below.