The 6C6500-130-CD-SFF from Quantic PMI (Planar Monolithics) is a Band Pass Filter with Frequency 6.44 to 6.57 GHz, Bandwidth 130 MHz, Center Frequency 6500 MHz, Insertion Loss 2 dB, VSWR 1.50:1. Tags: Module with Connectors, Cavity Filter. More details for 6C6500-130-CD-SFF can be seen below.