The BWHF-9G from Sainty-Tech Communications Limited is a RF High Pass Filter with Frequency 9 to 31 GHz, Insertion Loss 1.7 dB @9.0GHz, Power 30 dBm, Rejection 20 dB @6.15GHz, 40 dB @5.6GHz, Lower Rejection 20 to 40 dB. Tags: Die. More details for BWHF-9G can be seen below.