The QBF-2240-2280-30 from Qualwave is a Band Pass Filter with Frequency 2.24 to 2.28 GHz, Bandwidth 40 MHz, Center Frequency 2260 MHz, Insertion Loss 1.1 dB, Upper Rejection 30 dB @2300MHz. Tags: Module with Connectors. More details for QBF-2240-2280-30 can be seen below.