The DFC0203R2345P180 from Zhejiang Jiakang Electronics is a Band Pass Filter with Frequency 2.255 to 2.435 GHz, Bandwidth 180 MHz, Center Frequency 2345 MHz, Insertion Loss 2.5 dB, Rejection 45 dB. Tags: Surface Mount. More details for DFC0203R2345P180 can be seen below.