Exhibit 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER AND PRINCIPAL FINANCIAL OFFICER

PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Kurt Busch, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Lantronix, Inc. on Form 10-Q for the fiscal quarter ended December 31, 2011 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Lantronix, Inc.

Date:	February 13, 2012	By:	/s/ KURT BUSCH
		Name: Title:	Kurt Busch President and Chief Executive Officer (Principal Executive Officer)

I, Jeremy Whittaker , certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Quarterly Report of Lantronix, Inc. on Form 10-Q for the fiscal quarter ended December 31, 2011 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Quarterly Report on Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of Lantronix, Inc.

Date:	February 13, 2012	By:	/s/ JEREMY WHITAKER
		Name: Title:	Jeremy Whitaker Chief Financial Officer and Secretary (Principal Financial Officer)