The TLP-L-15038 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 1986.5 MHz, 3 dB Cutoff Frequency 1986.5 MHz, Insertion Loss 2 dB, Rejection 50 dB, Upper Rejection 50 dB @ 2500 to 15000 MHz. More details for TLP-L-15038 can be seen below.