The QBF-5900-7250-70 from Qualwave is a Band Pass Filter with Frequency 5.9 to 7.25 GHz, Bandwidth 1350 MHz, Center Frequency 6575 MHz, Insertion Loss 0.7 dB, Upper Rejection 70 to 80 dB. Tags: Module with Connectors. More details for QBF-5900-7250-70 can be seen below.