The TLP-L-15085 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 186 MHz, 3 dB Cutoff Frequency 186 MHz, Insertion Loss 1 dB, Rejection 20 to 50 dB, Upper Rejection 20 dB @ 225 MHz, 50 dB @ 255 to 3000 MHz. More details for TLP-L-15085 can be seen below.