The VBF-2900 from Mini Circuits is a Band Pass Filter with Frequency 2.7 to 3.1 GHz, Bandwidth 400 MHz, Center Frequency 2900 MHz, Insertion Loss 1.48 to 1.54 dB, Rejection 20 dB @ 1850 MHz. Tags: Module with Connectors. More details for VBF-2900 can be seen below.