The DFC0303R2492P010 from Zhejiang Jiakang Electronics is a Band Pass Filter with Frequency 2.487 to 2.497 GHz, Bandwidth 10 MHz, Center Frequency 2492 MHz, Insertion Loss 3 dB, Rejection 45 dB. Tags: Surface Mount. More details for DFC0303R2492P010 can be seen below.