The SFLSR-1BJ Series from Suntsu Electronics Inc is a Band Pass Filter with Frequency 1559.10 to 1605.89 MHz, Insertion Loss 0.9 to 1.6 dB, Rejection 23 to 45 dB, Upper Rejection 23 to 45 dB, Lower Rejection 37 to 44 dB. Tags: Surface Mount, RF SAW Filter. More details for SFLSR-1BJ Series can be seen below.