The WVC-707D737-18M01 from Wevercomm is a RF Duplexer with Frequency 698 to 716 MHz / 728 to 746 MHz, Band 1 698 to 716 MHz, Band 2 728 to 746 MHz, Power 40 W, Insertion Loss 1 dB. Tags: Module with Connectors. More details for WVC-707D737-18M01 can be seen below.