The ZAFBP-2100 from Mini Circuits is a Band Pass Filter with Frequency 2.05 to 2.15 GHz, Bandwidth 100 MHz, Center Frequency 2100 MHz, Insertion Loss 5 to 6 dB, Rejection 20 dB @ DC-1800 MHz. Tags: Module with Connectors. More details for ZAFBP-2100 can be seen below.