The CBF01012265B from Cernex Inc is a Band Pass Filter with Frequency 1.16 to 1.22 GHz, Bandwidth 60 MHz, Insertion Loss 2.2 dB, Upper Rejection 65 dB at 1.36GHz, Lower Rejection 70 dB at 0.96GHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for CBF01012265B can be seen below.