The AE1000L9218 from Anatech Electronics is a Low Pass RF Filter with Frequency 1 MHz to 1 GHz, 3 dB Cutoff Frequency 1 GHz, Insertion Loss 1 dB, Rejection 50 dB, Power 25 W. Tags: Module with Connector, Lumped Component Filter. More details for AE1000L9218 can be seen below.