The ADBF 1087/251-A2 from ADMOTECH is a Band Pass Filter with Frequency 962 MHz to 1.213 GHz, Bandwidth 251 MHz, Center Frequency 1087.5 MHz, Insertion Loss 0.3 dB, Rejection 60 dB. Tags: Module with Connectors, Cavity Filter. More details for ADBF 1087/251-A2 can be seen below.