The TLP-L-10060 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 400 MHz, 3 dB Cutoff Frequency 400 MHz, Insertion Loss 0.5 dB, Rejection 40 to 50 dB, Upper Rejection 50 dB @ 45 to 450 MHz, 50 dB @ 450 to 675 MHz, 40 dB @ 675 to 900 MHz. More details for TLP-L-10060 can be seen below.