The ZX75BP-1100-S+ from Mini Circuits is a Band Pass Filter with Frequency 1000 to 1200 MHz, Center Frequency 1100 MHz, Insertion Loss 0.7 to 2 dB, Upper Rejection 20 to 30 dB, Lower Rejection 20 to 30 dB. Tags: Module with Connectors, Lumped Component Filter. More details for ZX75BP-1100-S+ can be seen below.