The SF1516040 from Filtronetics is a Band Pass Filter with Frequency 1.49 to 1.53 GHz, Bandwidth 40 MHz, Center Frequency 1516 MHz, Insertion Loss 3.3 to 5 dB, Rejection 15 to 70 dB. Tags: Surface Mount, RF SAW Filter. More details for SF1516040 can be seen below.