The AGLPF100 from AmpliTech, Inc. is a Low Pass RF Filter with Frequency DC to 10 GHz, 3 dB Cutoff Frequency 10 GHz, Insertion Loss 1.3 dB, Upper Rejection 20 to 40 dB @12.5 to 13.4 GHz, Power 0.1 W. Tags: Die. More details for AGLPF100 can be seen below.