The XLF-63-D+ 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 8.1 GHz, Insertion Loss 1.3 dB, Rejection 15 dB. Tags: Die, Reflectionless Filter. More details for XLF-63-D+ can be seen below.