The AE3500H9771 from Anatech Electronics is a RF High Pass Filter with Frequency 3.5 to 9 GHz, Insertion Loss 2 dB, Rejection 40 dBMin.@0-1800 MHz, Return Loss 10 dB, Operating_Temperature -25 to 70 Degree C. Tags: Module with Connectors. More details for AE3500H9771 can be seen below.