The QBF-7650-8350-50 from Qualwave is a Band Pass Filter with Frequency 7.65 to 8.35 GHz, Bandwidth 700 MHz, Center Frequency 8000 MHz, Insertion Loss 3 dB, Upper Rejection 50 dB @8.5 GHz. Tags: Module with Connectors. More details for QBF-7650-8350-50 can be seen below.