The AB2305B993 from Anatech Electronics is a Band Pass Filter with Frequency 2.3 to 2.31 GHz, Bandwidth 10 MHz, Center Frequency 2305 MHz, Insertion Loss 1 dB, Upper Rejection 20 MHz offset from Center Frequency 30 dBc. Tags: Module with Connectors, Cavity Filter. More details for AB2305B993 can be seen below.