The AE470H9109 from Anatech Electronics is a RF High Pass Filter with Frequency 470 MHz to 1.8 GHz, Insertion Loss 1 dB, Rejection 30 dBMin.@ 250 MHz, Return Loss 12 dB, Operating_Temperature -25 to 70 Degree C. Tags: Module with Connectors, Lumped Component Filter. More details for AE470H9109 can be seen below.