The QBF-12800-15800-60 from Qualwave is a Band Pass Filter with Frequency 12.8 to 15.8 GHz, Bandwidth 3000 MHz, Center Frequency 14300 MHz, Insertion Loss 1 dB, Upper Rejection 60 dB @18.96 to 23 GHz. Tags: Module with Connectors. More details for QBF-12800-15800-60 can be seen below.