The AE525L9210 from Anatech Electronics is a Low Pass RF Filter with Frequency DC to 525 MHz, Insertion Loss 6 dB, Rejection 15 to 25 dB, Operating_Temperature -40 to 85 Degree C, Storage_Temperature -50 to 95 Degree C. Tags: Drop-In. More details for AE525L9210 can be seen below.