The ZX75BP-770-S+ from Mini Circuits is a Band Pass Filter with Frequency 760 to 780 MHz, Center Frequency 770 MHz, Insertion Loss 1.4 to 2 dB, Upper Rejection 20 to 27 dB, Lower Rejection 20 to 35 dB. Tags: Module with Connectors, Ceramic Filter. More details for ZX75BP-770-S+ can be seen below.