The AB915B787 from Anatech Electronics is a Band Pass Filter with Frequency 911.5 to 918.5 MHz, Bandwidth 7 MHz, Center Frequency 915 MHz, Insertion Loss 2.5 dB, Upper Rejection 75 dB @ 929-950 MHz. Tags: Module with Connectors, Cavity Filter. More details for AB915B787 can be seen below.