The BW497 from Sainty-Tech Communications Limited is a Power Divider with Frequency 2 to 18 GHz, Insertion Loss 0.8 to 1.4 dB, Isolation 14 to 20 dB, Input Power 5.01 W, Storage Temperature -65 to 150 Degree C. Tags: Die. More details for BW497 can be seen below.