The DFC0303R2017P077 from Zhejiang Jiakang Electronics is a Band Pass Filter with Frequency 1.9785 to 2.0555 GHz, Bandwidth 77 MHz, Center Frequency 2017 MHz, Insertion Loss 2.5 dB, Rejection 40 dB. Tags: Surface Mount. More details for DFC0303R2017P077 can be seen below.