The ZX75BP-1205-S+ from Mini Circuits is a Band Pass Filter with Frequency 1155 to 1255 MHz, Center Frequency 1205 MHz, Insertion Loss 1.2 to 2.5 dB, Upper Rejection 20 to 28.6 dB, Lower Rejection 20 to 30.9 dB. Tags: Module with Connectors, Ceramic Filter. More details for ZX75BP-1205-S+ can be seen below.