The DP1517-5166-NR from RFI Technology Solutions is a RF Duplexer with Frequency 150 to 174 MHz, Band 1 150 to 167.2 MHz, Band 2 156.8 to 174 MHz, Power 50 W, Insertion Loss 1.5 dB. Tags: Module with Connectors. More details for DP1517-5166-NR can be seen below.