The ZX75BP-750-S+ from Mini Circuits is a Band Pass Filter with Frequency 600 to 900 MHz, Center Frequency 750 MHz, Insertion Loss 1.7 to 2.5 dB, Upper Rejection 30 to 70 dB, Lower Rejection 25 to 55 dB. Tags: Module with Connectors, Lumped Component Filter. More details for ZX75BP-750-S+ can be seen below.