The LP100CH3-0S from R & K Company Limited is a Low Pass RF Filter with Frequency DC to 100 MHz, Stopband Frequency 200 to 500 MHz, 3 dB Cutoff Frequency 100 MHz, Insertion Loss 1 dB, Rejection 45 dB. Tags: Module with Connector, Chebyshev Filter. More details for LP100CH3-0S can be seen below.