The TLP-L-15030 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 8000 MHz, 3 dB Cutoff Frequency 8000 MHz, Insertion Loss 1 dB, Rejection 20 to 60 dB, Upper Rejection 20 dB @ 10020 MHz, 40 dB @ 12010 MHz, 60 dB @ 15000 MHz. More details for TLP-L-15030 can be seen below.