The QBF-935-945-40 from Qualwave is a Band Pass Filter with Frequency 0.935 to 0.945 GHz, Bandwidth 10 MHz, Center Frequency 940 MHz, Insertion Loss 2 dB, Upper Rejection 40 to 50 dB. Tags: Module with Connectors. More details for QBF-935-945-40 can be seen below.