The TFS1238 from Vectron International is a Band Pass Filter with Frequency 1192.14 to 1222.14 MHz / 1215 to 1237 MHz / 1237 to 1254 MHz / 1248.52 to 1288.52 MHz / 1254 to 1258 MHz / 1260 to 1300 MHz, Insertion Loss 3.8 to 5 dB, Rejection 10 to 34 dB, Upper Rejection 10 to 34 dB, Lower Rejection 10 to 39 dB. Tags: Surface Mount, RF SAW Filter. More details for TFS1238 can be seen below.