The XLF-73+ from Mini Circuits is a Low Pass RF Filter with Frequency DC to 7 GHz, Stopband Frequency 11.7 to 21.3 GHz, 3 dB Cutoff Frequency 9.9 GHz, Insertion Loss 1.1 to 1.9 dB, Rejection 12 to 15 dB. Tags: Surface Mount, Reflectionless Filter. More details for XLF-73+ can be seen below.