The LP10CH3-0S from R & K Company Limited is a Low Pass RF Filter with Frequency DC to 10 MHz, Stopband Frequency 20 to 50 MHz, 3 dB Cutoff Frequency 10 MHz, Insertion Loss 1 dB, Rejection 45 dB. Tags: Module with Connector, Chebyshev Filter. More details for LP10CH3-0S can be seen below.