The ZX75BP-1307-S+ from Mini Circuits is a Band Pass Filter with Frequency 1215 to 1400 MHz, Center Frequency 1307 MHz, Insertion Loss 0.8 to 2 dB, Upper Rejection 20 to 28 dB, Lower Rejection 20 to 35 dB. Tags: Module with Connectors, Ceramic Filter. More details for ZX75BP-1307-S+ can be seen below.