The QBF-34500-34600-50 from Qualwave is a Band Pass Filter with Frequency 34.5 to 34.6 GHz, Bandwidth 100 MHz, Center Frequency 34550 MHz, Insertion Loss 3.4 dB, Upper Rejection 50 dB @35.05 to 43 GHz. Tags: Module with Connectors. More details for QBF-34500-34600-50 can be seen below.