The QBF-26300-29700-60 from Qualwave is a Band Pass Filter with Frequency 26.3 to 29.7 GHz, Bandwidth 3400 MHz, Center Frequency 28000 MHz, Insertion Loss 2 dB, Upper Rejection 60 dB @32 to 40 GHz. Tags: Module with Connectors. More details for QBF-26300-29700-60 can be seen below.