The ZX75BP-915-S+ from Mini Circuits is a Band Pass Filter with Frequency 902.5 to 927.5 MHz, Center Frequency 915 MHz, Insertion Loss 1.2 to 2 dB, Upper Rejection 20 to 27 dB, Lower Rejection 20 to 30 dB. Tags: Module with Connectors, Ceramic Filter. More details for ZX75BP-915-S+ can be seen below.