The AE1500H9770 from Anatech Electronics is a RF High Pass Filter with Frequency 1.5 to 4 GHz, Insertion Loss 2 dB, Rejection 40 dBMin.@0-950 MHz, Return Loss 10 dB, Operating_Temperature -25 to 70 Degree C. Tags: Module with Connectors. More details for AE1500H9770 can be seen below.