The AB898B975 from Anatech Electronics is a Band Pass Filter with Frequency 895.5 to 900.5 MHz, Bandwidth 5 MHz, Center Frequency 898 MHz, Insertion Loss 2.5 dB, Lower Rejection 75 dB @ Fc +/- 10 MHz. Tags: Module with Connectors, Cavity Filter. More details for AB898B975 can be seen below.