The AB2436B479 from Anatech Electronics is a Band Pass Filter with Frequency 2.4 to 2.47 GHz, Bandwidth 70 MHz, Center Frequency 2436 MHz, Insertion Loss 1.1 dB, Upper Rejection 30 dB at +/- 53 MHz. Tags: Module with Connectors, Cavity Filter. More details for AB2436B479 can be seen below.