The ZXLF-K63+ from Mini Circuits is a Low Pass RF Filter with Frequency DC to 6 GHz, Stopband Frequency 9.6 to 17.8 GHz, 3 dB Cutoff Frequency 7.8 GHz, Insertion Loss 1.7 to 2.5 dB, Rejection 11 to 15 dB. Tags: Module with Connector, Reflectionless Filter. More details for ZXLF-K63+ can be seen below.