The T05161406 from POLOMARCONI.IT is a Band Pass Filter with Frequency 450 to 455 MHz, Bandwidth 5 MHz, Insertion Loss 1.4 to 1.7 dB, Rejection 30 to 80 dB, Upper Rejection 30 dB @ 530 to 4000 MHz. Tags: Module with Connectors. More details for T05161406 can be seen below.