The T06211487 from POLOMARCONI.IT is a RF Duplexer with Frequency 450 to 455 MHz / 460 to 465 MHz, Band 1 450 to 455 MHz, Band 2 460 to 465 MHz, Power 199 W, Insertion Loss 1.3 dB. Tags: Module with Connectors. More details for T06211487 can be seen below.