The VBFZ-1690 from Mini Circuits is a Band Pass Filter with Frequency 1.46 to 1.93 GHz, Bandwidth 470 MHz, Center Frequency 1690 MHz, Insertion Loss 1.45 to 1.61 dB, Rejection 20 dB @ 930 MHz. Tags: Module with Connectors. More details for VBFZ-1690 can be seen below.