EXHIBIT 99.1

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

I, Martin H. Singer, 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 PCTEL, Inc. on Form 10-Q for the fiscal quarter ended March 31, 2003
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 PCTEL, Inc.

                                     By:      /s/    Martin H. Singer
                                              --------------------------------
DATE:  MAY 8, 2003                   NAME:    MARTIN H. SINGER
                                     Title:   Chief Executive Officer



I, John Schoen, 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
PCTEL, Inc. on Form 10-Q for the fiscal quarter ended March 31, 2003 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 PCTEL, Inc.

                                     By:      /s/    John Schoen
                                              ---------------------------------
DATE:  MAY 8, 2003                   NAME:    JOHN SCHOEN
                                     Title:   Chief Operating Officer and Chief
                                              Financial Officer