The AE3000H9865 from Anatech Electronics is a RF High Pass Filter with Frequency 3 to 18 GHz, Insertion Loss 1 dB, Power 40 W, Rejection 30 dB@2500 MHz, Return Loss 15 dB. Tags: Module with Connectors, Lumped Component Filter. More details for AE3000H9865 can be seen below.