The AE9L8840 from Anatech Electronics is a Low Pass RF Filter with Frequency DC to 4.5 MHz, 3 dB Cutoff Frequency 9 MHz, Insertion Loss 0.5 to 3.5 dB, Rejection 45 dB, Return Loss 15 dB. Tags: Module with Connector, Lumped Component Filter. More details for AE9L8840 can be seen below.