The TLP-L-15120 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 2500 MHz, 3 dB Cutoff Frequency 2500 MHz, Insertion Loss 1 dB, Rejection 40 dB, Upper Rejection 40 dB @ 5000 to 20000 MHz. More details for TLP-L-15120 can be seen below.