The QBF-15900-16500-40 from Qualwave is a Band Pass Filter with Frequency 15.9 to 16.5 GHz, Bandwidth 600 MHz, Center Frequency 16200 MHz, Insertion Loss 1.3 dB, Upper Rejection 40 dB @16.74 to 18 GHz. Tags: Module with Connectors. More details for QBF-15900-16500-40 can be seen below.