The DP1517-5164-NR from RFI Technology Solutions is a RF Duplexer with Frequency 150 to 174 MHz, Band 1 150 to 154.6 MHz, Band 2 169.4 to 174 MHz, Power 50 W, Insertion Loss 1.5 dB. Tags: Module with Connectors. More details for DP1517-5164-NR can be seen below.