The QBF-1650-3150-35 from Qualwave is a Band Pass Filter with Frequency 1.65 to 3.15 GHz, Bandwidth 1500 MHz, Center Frequency 2400 MHz, Insertion Loss 1.5 dB, Upper Rejection 35 dB@3550 to 5000 MHz. Tags: Module with Connectors. More details for QBF-1650-3150-35 can be seen below.