The AE25L9197 from Anatech Electronics is a Low Pass RF Filter with Frequency DC to 20 MHz, 3 dB Cutoff Frequency 25 MHz, Insertion Loss 0.4 dB, Rejection 50 dB, Operating_Temperature -40 to 85 Degree C. Tags: Module with Connector, Lumped Component Filter. More details for AE25L9197 can be seen below.