The TLP-L-10306 from Telonic Berkeley is a Low Pass RF Filter with Frequency DC to 1100 MHz, 3 dB Cutoff Frequency 1100 MHz, Insertion Loss 0.3 dB, Rejection 25 to 50 dB, Upper Rejection 25 dB @ 1875 to 2250 MHz, 40 dB @ 2250 to 2400, 50 dB @ 2400 to 5500 MHz. More details for TLP-L-10306 can be seen below.