The R-7.11.023.01 from POLOMARCONI.IT is a RF Duplexer with Frequency 433 to 485 MHz, Power 50 W, Insertion Loss 1.2 dB, Isolation 85 dB, Operating temperature -35 to 80 Degree C. Tags: Module with Connectors. More details for R-7.11.023.01 can be seen below.