The TLP-L-10132 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 450 MHz, 3 dB Cutoff Frequency 450 MHz, Insertion Loss 0.5 dB, Rejection 40 dB, Upper Rejection 40 dB @ 1200 to 2000 MHz. More details for TLP-L-10132 can be seen below.