The AE1000L7839-NF from Anatech Electronics is a Low Pass RF Filter with Frequency DC to 1 GHz, 3 dB Cutoff Frequency 1 GHz, Insertion Loss 0.3 dB, Rejection 50 dB, Power 200 W. Tags: Module with Connector, Lumped Component Filter. More details for AE1000L7839-NF can be seen below.