The DP4547-0804-32 from RFI Technology Solutions is a RF Duplexer with Frequency 450 to 470 MHz, Band 1 450 to 465 MHz, Band 2 455 to 470 MHz, Power 100 W, Insertion Loss 1.75 dB. Tags: Module with Connectors. More details for DP4547-0804-32 can be seen below.