The VBF-2555 from Mini Circuits is a Band Pass Filter with Frequency 2.5 to 2.61 GHz, Bandwidth 110 MHz, Center Frequency 2555 MHz, Insertion Loss 3.77 to 3.78 dB, Rejection 20 dB @ 1970 MHz. Tags: Module with Connectors. More details for VBF-2555 can be seen below.