The TLP-L-14896 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 3800 MHz, 3 dB Cutoff Frequency 3800 MHz, Insertion Loss 1.25 dB, Rejection 3 to 30 dB, Upper Rejection 3 dB @ 4100 MHz, 20 dB @ 4230 MHz, 30 dB @ 4250 MHz. More details for TLP-L-14896 can be seen below.