The AE6000H9873 from Anatech Electronics is a RF High Pass Filter with Frequency 6 to 18 GHz, Insertion Loss 1 dB, Power 5 W, Rejection 25 to 50 dB@2500MHz, @0-613MHz, Return Loss 9 dB. Tags: Module with Connectors, Lumped Component Filter. More details for AE6000H9873 can be seen below.