The PDHF-R5G from Sainty-Tech Communications Limited is a RF High Pass Filter with Frequency 0.5 to 3 GHz, Insertion Loss 2.0 dB @0.5GHz, Power 30 dBm, Rejection 20 dB @0.2GHz, 40 dB @0.05GHz, Lower Rejection 20 to 40 dB. Tags: Die. More details for PDHF-R5G can be seen below.