The VBFZ-2000 from Mini Circuits is a Band Pass Filter with Frequency 1.73 to 2.27 GHz, Bandwidth 540 MHz, Center Frequency 2000 MHz, Insertion Loss 1.63 to 1.80 dB, Rejection 20 dB @ 1210 MHz. Tags: Module with Connectors. More details for VBFZ-2000 can be seen below.