The TLP-L-14733 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 3870 MHz, 3 dB Cutoff Frequency 3870 MHz, Insertion Loss 0.5 dB, Rejection 60 dB, Upper Rejection 60 dB @ 6880 to 17200 MHz. More details for TLP-L-14733 can be seen below.