The AE12L8841 from Anatech Electronics is a Low Pass RF Filter with Frequency DC to 12 MHz, 3 dB Cutoff Frequency 12 MHz, Insertion Loss 0.5 to 3 dB, Rejection 47 dB, Power 5 W. Tags: Module with Connector, Lumped Component Filter. More details for AE12L8841 can be seen below.