The AE100B9439 from Anatech Electronics is a Band Pass Filter with Frequency 100 MHz, Center Frequency 100 MHz, Insertion Loss 10 dB, Upper Rejection 60 dB @ 144-1000 MHz, Lower Rejection 60 dB @ 0-52 MHz. Tags: Surface Mount, Lumped Component Filter. More details for AE100B9439 can be seen below.