The ZX75BP-1842 from Mini Circuits is a Band Pass Filter with Frequency 1.73 to 1.96 GHz, Bandwidth 235 MHz, Center Frequency 1842 MHz, Insertion Loss 1.4 to 3 dB, Rejection 20 dB @ 1450 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for ZX75BP-1842 can be seen below.