The QBF-25112.5-25312.5-60 from Qualwave is a Band Pass Filter with Frequency 25.1125 to 25.3125 GHz, Bandwidth 200 MHz, Center Frequency 25212.5 MHz, Insertion Loss 3 dB, Upper Rejection 60 dB @26.0125 GHz. Tags: Flatpack. More details for QBF-25112.5-25312.5-60 can be seen below.