The DBBF1004200570A from Qotana is a Band Pass Filter with Frequency 4.2 to 5.7 GHz, Bandwidth 1500 MHz, Insertion Loss 1 dB, Rejection 45 dB, Power 15 W. Tags: Module with Connectors, Suspended Substrate Filter. More details for DBBF1004200570A can be seen below.