The XLF-662M-D+ from Mini Circuits is a Low Pass RF Filter with Frequency DC to 6.6 GHz, Stopband Frequency 9.2 to 43.5 GHz, 3 dB Cutoff Frequency 7.1 GHz, Insertion Loss 1.1 dB, Rejection 31 to 38 dB. Tags: Die, Reflectionless Filter. More details for XLF-662M-D+ can be seen below.