The LP1EA0320A7 from KYOCERA AVX is a Low Pass RF Filter with Frequency DC to 0.32 GHz, 3 dB Cutoff Frequency 0.37 GHz, Insertion Loss 0.9 to 1.2 dB, Rejection 30 to 40 dB, Upper Rejection 30 dB@ 0.45 to 3.20 GHz, 40 dB@ 0.46 to 1.20 GHz. Tags: Surface Mount, Ceramic Filter. More details for LP1EA0320A7 can be seen below.