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                                                                     EXHIBIT 3.6

                             AMENDED AND RESTATED
                         CERTIFICATE OF INCORPORATION
                                      OF
                           PORTACOM WIRELESS, INC.,
                            A DELAWARE CORPORATION


     FIRST:  The name of this corporation is PortaCom Wireless, Inc.

     SECOND:  Its Registered Office in the State of Delaware is to be located at
9 East Loockerman Street, in the City of Dover, County of Kent, 19901.  The
Registered Agent in charge thereof is National Registered Agents, Inc.

     THIRD:  The purpose of the corporation is to engage in any lawful act or
activity for which a corporation may be organized under the General Corporation
Law of Delaware.

     FOURTH:  The aggregate number of shares which the Corporation shall have
authority to issue is One Hundred and Five Million (105,000,000), divided into
One Hundred Million (100,000,000) shares of common stock of the par value of
$.001 per share, and Five Million (5,000,000) shares of preferred stock of the
par value of $.001 per share.

     FIFTH:  The Board of Directors is authorized, subject to limitations
prescribed by law and the provisions of the Article FOURTH, to provide for the
issuance of the shares of Preferred Stock in series, and by filing a certificate
pursuant to the applicable law of the State of Delaware, to establish from time
to time the number of shares to be included in each such series, and to fix the
designation, powers, preferences and rights of the shares of each such series
and the qualifications, limitations or restrictions thereof.

     The authority of the Board with respect to each series shall include, but
not be limited to, determination of the following:

     a)  The number of shares constituting that series and the distinctive
designation of that series;

     b)  The dividend rate on the shares of that series, whether dividends shall
be cumulative, and, if so, from which date or dates, and the relative rights of
priority, if any, of payment of dividends on shares of that series;

     c)  Whether that series shall have voting rights, in addition to the voting
rights provided by law, and, if so, the terms of such voting rights;

     d)  Whether that series shall have conversion privileges, and, if so, the
terms and conditions of such conversion, including provision for adjustment of
the conversion rate in such events as the Board of Directors shall determine;
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     e)  Whether that series shall have conversion privileges, and, if so, the
terms and conditions of such conversion, including provision for adjustment of
the conversion rate in such events as the Board of Directors shall determine;

     f)  Whether that series shall have a sinking fund for the redemption or
purchase of shares of that series, and, if so, the terms and amount of such
sinking fund;

     g)  The rights of the shares of that series in the event of voluntary or
involuntary liquidation, dissolution or winding up of the corporation, and the
relative rights of priority, if any, of payment of shares of that series;

     h)  Any other relative rights, preferences and limitations of that series.
Dividends on outstanding shares of Preferred Stock shall be paid or declared and
set apart for payment on the common shares with respect to the same dividend
period.

     If upon any voluntary or involuntary liquidation, dissolution or winding up
of the corporation, the assets available for distribution to holders of shares
of Preferred Stock of all series shall be insufficient to pay such holders the
full preferential amount to which they are entitled, then such assets shall be
distributed ratably among the shares of all series of Preferred Stock in
accordance with the respective preferential amounts (including unpaid cumulative
dividends, if any) payable with respect thereto.

SIXTH:  The name and mailing address of the incorporator are as follows:

        NAME                  MAILING ADDRESS

        S. A. Morgan          Irell & Manella
                              Suite 900
                              1800 Avenue of the Stars
                              Los Angeles, CA  90067

SEVENTH:  The duration of the corporation shall be perpetual.

EIGHTH:  When a compromise or arrangement is proposed between the corporation
and its creditors or any class of them or between the corporation and its
shareholders or any class of them, a court of equity jurisdiction within the
state, on application of the corporation or of a creditor or shareholder
thereof, or on application of a receiver appointed for the corporation pursuant
to provisions of Section 291 of Title 8 of the Delaware Code or on application
of trustees in dissolution or of any receiver or receivers appointed for the
corporation pursuant to provisions of Section 279 of Title 8 of the Delaware
Code order a meeting of the creditors or class of creditors or of the
shareholders or class of shareholders to be affected by the proposed compromise
or arrangement or reorganization, to be summoned in such manner as the court
directs. If a majority in number representing 3/4 in value of the creditors or
class of creditors, or of the shareholders or class of shareholders to be
affected by the proposed compromise or arrangement or a reorganization, agree to
a compromise or

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arrangement or a reorganization of the corporation as a consequence of the
compromise or arrangement or reorganization, the compromise or arrangement and
the reorganization, if sanctioned by the court to which the application has been
made, shall be binding on all the creditors or class of creditors, or on all the
shareholders or class of shareholders and also on the corporation.

NINTH:  The personal liability of all of the directors of the corporation is
hereby eliminated to the fullest extent allowed as provided by the Delaware
General Corporation Law, as the same may be supplemented and amended.

TENTH:  The corporation shall, to the fullest extent legally permissible under
the provisions of the Delaware General Corporation Law, as the same may be
amended and supplemented, shall indemnify and hold harmless any and all persons
whom it shall have power to indemnify under said provisions from and against any
and all liabilities (including expenses) imposed upon or reasonably incurred by
him in connection with any action, suit or other proceeding in which he may be
involved or with which he may be threatened, or other matters referred to in or
covered by said provisions both as to action in his official capacity and as to
action in another capacity while holding such office, and shall continue as to a
person who has ceased to be a director or officer of the corporation. Such
indemnification provided shall not be deemed exclusive of any other rights to
which those indemnified may be entitled under any Bylaw, Agreement or Resolution
adopted by the shareholders entitled to vote thereon after notice.

ELEVENTH:  The Board of Directors may adopt, amend or repeal the Bylaws of this
corporation.

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