The AE3000SSH6545 from Anatech Electronics is a RF High Pass Filter with Frequency 3 to 18 GHz, Insertion Loss 1 to 2 dB, Power 15 W, Rejection 60 dB@DC-2.6 GHz, VSWR 1.50:1. Tags: Module with Connectors, Suspended Substrate Filter. More details for AE3000SSH6545 can be seen below.