The AE15000SSL1028 from Anatech Electronics is a Low Pass RF Filter with Frequency DC to 15 GHz, 3 dB Cutoff Frequency 15 GHz, Insertion Loss 1 to 2.5 dB, Rejection 50 dB, Power 15 W. Tags: Module with Connector, Stripline. More details for AE15000SSL1028 can be seen below.