The WLKE3-0.15-7.5-60-8000-0.01 from Wainwright Instruments is a Low Pass RF Filter with Frequency DC to 0.15 / 7.5 MHz, Stopband Frequency Chosen Fco x 1.5 to 8 GHz, 3 dB Cutoff Frequency Choice of 0.15 to 7.5 MHz, Insertion Loss 0.4 to 0.6 dB, Rejection 60 dB. Tags: Module with Connector, Lumped Component Filter, Chebyshev Filter. More details for WLKE3-0.15-7.5-60-8000-0.01 can be seen below.