The QBF-8192-16384-20 from Qualwave is a Band Pass Filter with Frequency 8.192 to 16.384 GHz, Bandwidth 8192 MHz, Center Frequency 12288 MHz, Insertion Loss 3 dB, Upper Rejection 10 to 20 dB. Tags: Module with Connectors. More details for QBF-8192-16384-20 can be seen below.