The TFS1278A from Vectron International is a Band Pass Filter with Frequency 1260 to 1300 MHz, Insertion Loss 2.6 to 4 dB, Rejection 17 to 51 dB, Upper Rejection 17 to 51 dB, Lower Rejection 32 to 40 dB. Tags: Surface Mount, RF SAW Filter. More details for TFS1278A can be seen below.