The SF14-1582M5UUD2 from KYOCERA AVX is a Band Pass Filter with Frequency 1574.39 to 1605.89 MHz, Bandwidth 31.5 MHz, Center Frequency 1582 MHz, Insertion Loss 0.9 to 2.3 dB, Rejection 35 to 45 dB. Tags: Surface Mount, RF SAW Filter. More details for SF14-1582M5UUD2 can be seen below.