The QBF-2400-2500-35 from Qualwave is a Band Pass Filter with Frequency 2.4 to 2.5 GHz, Bandwidth 100 MHz, Center Frequency 2450 MHz, Insertion Loss 1.5 dB, Upper Rejection 35 [email protected] to 5 GHz. Tags: Module with Connectors. More details for QBF-2400-2500-35 can be seen below.