The AE100L8904 from Anatech Electronics is a Low Pass RF Filter with Frequency DC to 100 MHz, 3 dB Cutoff Frequency 100 MHz, Insertion Loss 1 to 3 dB, Rejection 15 to 50 dB, Return Loss 15 dB. Tags: Module with Connector, Lumped Component Filter. More details for AE100L8904 can be seen below.