The 8C881D5-25-CD-SFF from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 869 to 894 MHz, Bandwidth 25 MHz, Center Frequency 881.5 MHz, Insertion Loss 1 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for 8C881D5-25-CD-SFF can be seen below.