The PDLF-13R5 from Sainty-Tech Communications Limited is a Low Pass RF Filter with Frequency DC to 13.5 GHz, 3 dB Cutoff Frequency 13.5 GHz, Insertion Loss 2 dB @13.5GHz, Rejection 25 dB @17.8GHz, 40 dB @19.5GHz, Power 30 dBm. Tags: Die. More details for PDLF-13R5 can be seen below.