The ZX75BP-2250-S+ from Mini Circuits is a Band Pass Filter with Frequency 2000 to 2500 MHz, Center Frequency 2250 MHz, Insertion Loss 0.85 to 1.5 dB, Upper Rejection 20 to 65 dB, Lower Rejection 20 to 80 dB. Tags: Module with Connectors, Ceramic Filter. More details for ZX75BP-2250-S+ can be seen below.