The AE20KH9822 from Anatech Electronics is a RF High Pass Filter with Frequency 0.02 to 1 MHz, Insertion Loss 3 dB, Rejection 40 dBMin.@0-13 KHz, Return Loss 14 dB, Operating_Temperature -25 to 70 Degree C. Tags: Module with Connectors. More details for AE20KH9822 can be seen below.