The AE1600L9159 from Anatech Electronics is a Low Pass RF Filter with Frequency 1.37 to 1.6 GHz, 3 dB Cutoff Frequency 1.6 GHz, Insertion Loss 2 dB, Rejection 25 dB, Return Loss 15 dB. Tags: Surface Mount, Lumped Component Filter. More details for AE1600L9159 can be seen below.