The QBF-50-150-45 from Qualwave is a Band Pass Filter with Frequency 50 to 150 MHz, Bandwidth 100 MHz, Center Frequency 100 MHz, Insertion Loss 1 dB, Upper Rejection 45 [email protected] to 1 GHz. Tags: Module with Connectors. More details for QBF-50-150-45 can be seen below.