The DFS0403R2600P200 from Zhejiang Jiakang Electronics is a Band Pass Filter with Frequency 2.5 to 2.7 GHz, Bandwidth 200 MHz, Center Frequency 2600 MHz, Insertion Loss 2.5 dB, Rejection 30 dB. Tags: Surface Mount. More details for DFS0403R2600P200 can be seen below.