The DFS0403R1595P030 from Zhejiang Jiakang Electronics is a Band Pass Filter with Frequency 1.58 to 1.61 GHz, Bandwidth 30 MHz, Center Frequency 1595 MHz, Insertion Loss 3 dB, Rejection 35 dB. Tags: Surface Mount. More details for DFS0403R1595P030 can be seen below.