The TFS1204A from Vectron International is a Band Pass Filter with Frequency 1189 to 1214 MHz, Insertion Loss 3.7 to 4.2 dB, Rejection 25 to 50 dB, Upper Rejection 25 to 50 dB, Lower Rejection 28 to 42 dB. Tags: Surface Mount, RF SAW Filter. More details for TFS1204A can be seen below.