The AE608L9201 from Anatech Electronics is a Low Pass RF Filter with Frequency DC to 608 MHz, 3 dB Cutoff Frequency 608 MHz, Insertion Loss 1 dB, Rejection 30 to 40 dB, Power 30 W. Tags: Module with Connector, Lumped Component Filter. More details for AE608L9201 can be seen below.