EXHIBIT 32.2

                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

      In connection with the Quarterly Report of Symbol Technologies, Inc., (the
"Company") on Form 10-Q for the period ended September 30, 2004, as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), I,
Mark Greenquist, Chief Financial Officer of the Company, certify, pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that to my knowledge:

            (1)   The Report fully complies with the requirements of Section
      13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as
      amended; and

            (2)   The information contained in the Report fairly presents, in
      all material respects, the financial condition and results of operations
      of the Company.

      A signed original of this written statement has been provided to the
Company and will be retained by the Company and furnished to the Securities and
Exchange Commission or its staff upon request.

                                      Date: November 15, 2004

                                      /s/ Mark T. Greenquist
                                      ------------------------------------------
                                      Mark T. Greenquist
                                      Senior Vice President and Chief Financial
                                      Officer