The XLF-122H+ from Mini Circuits is a Low Pass RF Filter with Frequency DC to 1.2 GHz, Stopband Frequency 2.3 to 9.5 GHz, 3 dB Cutoff Frequency 1.4 GHz, Insertion Loss 1.9 to 3.0 dB, Rejection 14 to 35 dB. Tags: Surface Mount, Reflectionless Filter. More details for XLF-122H+ can be seen below.