The AE520L9164 from Anatech Electronics is a Low Pass RF Filter with Frequency DC to 520 MHz, Insertion Loss 1 dB, Rejection 15 to 50 dB, Operating_Temperature -45 to 85 Degree C, Storage_Temperature -55 to 95 Degree C. Tags: Module with Connector. More details for AE520L9164 can be seen below.