The CFM-13900276 from Filtronetics is a Band Pass Filter with Frequency 1.3765 to 1.4035 GHz, Bandwidth ±13.5 MHz, Center Frequency 1390 MHz, Insertion Loss 2.2 dB, Rejection 40 dB. Tags: Surface Mount, Ceramic Filter, Monoblock Filter. More details for CFM-13900276 can be seen below.