The QBF-2200-2300-60 from Qualwave is a Band Pass Filter with Frequency 2.2 to 2.3 GHz, Bandwidth 100 MHz, Center Frequency 2250 MHz, Insertion Loss 3 dB, Upper Rejection 60 [email protected] GHz. Tags: Module with Connectors. More details for QBF-2200-2300-60 can be seen below.