The TLP-L-15420 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 200 MHz, 3 dB Cutoff Frequency 200 MHz, Insertion Loss 0.35 dB, Rejection 20 to 40 dB, Upper Rejection 20 dB @ 300 MHz, 40 dB @ 400 to 1000 MHz. More details for TLP-L-15420 can be seen below.