The AB2458B724 from Anatech Electronics is a Band Pass Filter with Frequency 2.44 to 2.47 GHz, Bandwidth 32 MHz, Center Frequency 2458 MHz, Insertion Loss 3.0 dB, Upper Rejection 20 dBc @ 2482 MHz. Tags: Module with Connectors, Cavity Filter. More details for AB2458B724 can be seen below.