The SF3030AO-1480MHz-A from Dynamic Engineers is a Band Pass Filter with Frequency 1435 to 1525 MHz, Center Frequency 1480 MHz, Insertion Loss 3.2 to 4.2 dB, Upper Rejection 24 to 31 dB, Lower Rejection 24 to 29 dB. Tags: Surface Mount, RF SAW Filter. More details for SF3030AO-1480MHz-A can be seen below.