The QBF-945-960-50 from Qualwave is a Band Pass Filter with Frequency 0.945 to 0.96 GHz, Bandwidth 15 MHz, Center Frequency 952.5 MHz, Insertion Loss 2 dB, Upper Rejection 50 [email protected] to 2.5 GHz. Tags: Module with Connectors. More details for QBF-945-960-50 can be seen below.