The DFC0203R2345R130 from Zhejiang Jiakang Electronics is a Band Pass Filter with Frequency 2.28 to 2.41 GHz, Bandwidth 130 MHz, Center Frequency 2345 MHz, Insertion Loss 3 dB, Rejection 30 dB. Tags: Surface Mount. More details for DFC0203R2345R130 can be seen below.