The TLL100-5000- from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 5000 MHz, 3 dB Cutoff Frequency 5000 MHz, Insertion Loss 0.8 dB, Rejection 40 to 60 dB, Upper Rejection 40 db @ 8000 MHz, 60 dB 10000 MHz. More details for TLL100-5000- can be seen below.