The WLJ10-6500-7000-60-17000-300 from Wainwright Instruments is a Low Pass RF Filter with Frequency DC to 6.5 / 7 GHz, Stopband Frequency Chosen Fco x 1.24 to 17 GHz, 3 dB Cutoff Frequency Choice of 6.5 to 7 GHz, Insertion Loss 0.4 to 0.6 dB, Rejection 60 dB. Tags: Module with Connector, Lumped Component Filter, Chebyshev Filter. More details for WLJ10-6500-7000-60-17000-300 can be seen below.