The QBF-923-2466-20 from Qualwave is a Band Pass Filter with Frequency 0.923 to 2.466 GHz, Bandwidth 1543 MHz, Center Frequency 1694.5 MHz, Insertion Loss 2 dB, Upper Rejection 20 to 50 dB. Tags: Module with Connectors. More details for QBF-923-2466-20 can be seen below.