The 8C1747D5-75-CD-SFF from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 1.71 to 1.79 GHz, Bandwidth 75 MHz, Center Frequency 1747.5 MHz, Insertion Loss 1.5 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for 8C1747D5-75-CD-SFF can be seen below.