The PDLF-1R3G from Sainty-Tech Communications Limited is a Low Pass RF Filter with Frequency DC to 1.3 GHz, 3 dB Cutoff Frequency 1.3 GHz, Insertion Loss 2.2 dB @1.3GHz, Rejection 25 dB @1.55GHz, 40 dB @1.9GHz, Power 30 dBm. Tags: Die. More details for PDLF-1R3G can be seen below.