The AE14000SSL1058 from Anatech Electronics is a Low Pass RF Filter with Frequency DC to 14 GHz, 3 dB Cutoff Frequency 14 GHz, Insertion Loss 1 to 2 dB, Rejection 50 dB, Power 15 W. Tags: Module with Connector, Stripline. More details for AE14000SSL1058 can be seen below.