The WBCTB8-2438.5-2443.5-2453.5-2458.5-40 from Wainwright Instruments is a Band Pass Filter with Frequency 2.4435 to 2.4535 GHz, Bandwidth 10 MHz, Center Frequency 2.4485 GHz, Insertion Loss 2.25 to 3.25 dB, Rejection 40 dB. Tags: Module with Connectors, Cavity Filter. More details for WBCTB8-2438.5-2443.5-2453.5-2458.5-40 can be seen below.