The BWHF-33G from Sainty-Tech Communications Limited is a RF High Pass Filter with Frequency 33 to 41 GHz, Insertion Loss 2.3 dB @33.0GHz, Power 30 dBm, Rejection 40dB dB @100MHz to 21GHz, Lower Rejection 40 dB. Tags: Die. More details for BWHF-33G can be seen below.