The TLP-L-14357 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 275 MHz, 3 dB Cutoff Frequency 275 MHz, Insertion Loss 1 dB, Rejection 30 to 40 dB, Upper Rejection 30 dB @ 380 MHz, 40 dB @ 414 to 417 MHz. More details for TLP-L-14357 can be seen below.
