The BWHF-7G from Sainty-Tech Communications Limited is a RF High Pass Filter with Frequency 7 to 29 GHz, Insertion Loss 1.6 dB @7.0GHz, Power 30 dBm, Rejection 20 dB @4.55GHz, 40 dB @4.15GHz, Lower Rejection 20 to 40 dB. Tags: Die. More details for BWHF-7G can be seen below.