The 6CX-1747.5-X75Q from Reactel is a Band Pass Filter with Frequency 1.71 to 1.79 GHz, Bandwidth 75 MHz, Center Frequency 1747.5 MHz, Insertion Loss 1.0 dB @ CF, 1.4 dB @ Bandedges, Rejection 15 dB @ 1805 - 1880 MHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for 6CX-1747.5-X75Q can be seen below.