The ZX75BP-B70-S+ from Mini Circuits is a Band Pass Filter with Frequency 52 to 88 MHz, Center Frequency 70 MHz, Insertion Loss 1 to 1.6 dB, Upper Rejection 20 to 50 dB, Lower Rejection 25 to 60 dB. Tags: Module with Connectors, Lumped Component Filter. More details for ZX75BP-B70-S+ can be seen below.