The WLJ10-2400-2500-60-8000-300 from Wainwright Instruments is a Low Pass RF Filter with Frequency DC to 2.4 / 2.5 GHz, Stopband Frequency Chosen Fco x 1.24 to 8 GHz, 3 dB Cutoff Frequency Choice of 2.4 to 2.5 GHz, Insertion Loss 0.4 to 0.6 dB, Rejection 60 dB. Tags: Module with Connector, Lumped Component Filter, Chebyshev Filter. More details for WLJ10-2400-2500-60-8000-300 can be seen below.