The QBF-24000-26000-35 from Qualwave is a Band Pass Filter with Frequency 24 to 26 GHz, Bandwidth 2000 MHz, Center Frequency 25000 MHz, Insertion Loss 2 dB, Upper Rejection 35 dB @27 to 40 GHz. Tags: Module with Connectors. More details for QBF-24000-26000-35 can be seen below.