The Cob-fcer-080 from CAES is a Band Pass Filter with Frequency 1.227 to 1.247 GHz, Bandwidth 20 MHz, Center Frequency 1237 MHz, Insertion Loss 3 dB, Rejection 12 dBc. Tags: Surface Mount, Ceramic Filter, Dielectric Resonator Filter. More details for Cob-fcer-080 can be seen below.