The ZBF5-L1550-1200-2277 from COM-MW is a Band Pass Filter with Frequency 950 to 2150 MHz, Insertion Loss 2.5 dB, Upper Rejection 40 dB @ 2600 to 3600 MHz, Lower Rejection 40 dB @ DC to 760 MHz, Power 1 W. Tags: Surface Mount. More details for ZBF5-L1550-1200-2277 can be seen below.