The ZXLF-K122H+ 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 1.6 GHz, Insertion Loss 2.8 to 3.6 dB, Rejection 13 to 35 dB dB. Tags: Module with Connector, Reflectionless Filter. More details for ZXLF-K122H+ can be seen below.