The QBF-5645-5646-13 from Qualwave is a Band Pass Filter with Frequency 5.645 to 5.646 GHz, Bandwidth 1 MHz, Center Frequency 5645.5 MHz, Insertion Loss 2.2 dB, Upper Rejection 13 [email protected] to 10 GHz. Tags: Module with Connectors. More details for QBF-5645-5646-13 can be seen below.