The QBF-5650.5-5651.5-13 from Qualwave is a Band Pass Filter with Frequency 5.6505 to 5.6515 GHz, Bandwidth 1 MHz, Center Frequency 5651 MHz, Insertion Loss 3 dB, Upper Rejection 13 [email protected] to 8 GHz. Tags: Module with Connectors. More details for QBF-5650.5-5651.5-13 can be seen below.