The AE17500SSL1061 from Anatech Electronics is a Low Pass RF Filter with Frequency DC to 17.5 GHz, 3 dB Cutoff Frequency 17.5 GHz, Insertion Loss 1 to 3 dB, Rejection 50 dB, Power 15 W. Tags: Module with Connector, Stripline. More details for AE17500SSL1061 can be seen below.