The CBF01016080B from Cernex Inc is a Band Pass Filter with Frequency 1.35 to 1.37 GHz, Bandwidth 16 MHz, Insertion Loss 6 dB, Upper Rejection 80 dB at 1.42GHz, Lower Rejection 80 dB at 1.3GHz. Tags: Surface Mount, Ceramic, Ceramic Filter. More details for CBF01016080B can be seen below.