The QBF-925-935-40 from Qualwave is a Band Pass Filter with Frequency 0.925 to 0.935 GHz, Bandwidth 10 MHz, Center Frequency 930 MHz, Insertion Loss 2 dB, Upper Rejection 40 to 50 dB. Tags: Module with Connectors. More details for QBF-925-935-40 can be seen below.