The TLP-L-15086 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 500 MHz, 3 dB Cutoff Frequency 500 MHz, Insertion Loss 1 dB, Rejection 20 to 50 dB, Upper Rejection 20 dB @ 600 MHz, 50 dB 700 to 3000 MHz. More details for TLP-L-15086 can be seen below.