The QBF-23000-26500-60 from Qualwave is a Band Pass Filter with Frequency 23 to 26.5 GHz, Bandwidth 3500 MHz, Center Frequency 24750 MHz, Insertion Loss 1.5 dB, Upper Rejection 60 dB @28.5 to 40 GHz. Tags: Module with Connectors. More details for QBF-23000-26500-60 can be seen below.