Exhibit 32.4
CERTIFICATION PURSUANT TO
SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED STATES CODE,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
Pursuant to Section 1350, Chapter 63 of Title 18, United States Code, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned, as Acting Chief Financial Officer and Principal Accounting Officer of GigOptix, Inc. (the "Company"), does hereby certify that to the undersigned's knowledge:
1) the Company's Quarterly Report on Form 10-Q/A, Amendment No. 1 for the periods ended October 2, 2011 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and
2) the information contained in such report fairly presents, in all material respects, the financial condition and results of operations of the Company.
Chief Financial Officer and Principal Financial and Principal Accounting Officer
Dated: March 27, 2012