The QBF-8150-8250-40 from Qualwave is a Band Pass Filter with Frequency 8.15 to 8.25 GHz, Bandwidth 100 MHz, Center Frequency 8200 MHz, Insertion Loss 3 dB, Upper Rejection 40 dB @8.3GHz. Tags: Module with Connectors. More details for QBF-8150-8250-40 can be seen below.