PROSPECTUS SUPPLEMENT NO. 10                                   Filed pursuant to
(To Prospectus dated May 13, 1998)                                Rule 424(b)(3)
                                                      Registration No. 333-50169

$86,250,000

Cellular Communications International, Inc.
6% Convertible Subordinated Notes Due 2005

     This  Prospectus  Supplement No. 10  supplements  and amends the Prospectus
dated May 13, 1998 as amended and  supplemented  by the  Prospectus  Supplements
dated May 28, 1998,  June 4, 1998,  June 16, 1998,  July 9, 1998, July 27, 1998,
August 4, 1998,  August 25, 1998,  September 2, 1998 and September 17, 1998 (the
"Prospectus"),  relating to the 6% Convertible  Subordinated Notes Due 2005 (the
"Convertible  Notes")  of  Cellular  Communications  International,   Inc.  (the
"Company")  and the shares of the  Company's  common  stock,  par value $.01 per
share ("Common Stock"), issuable upon conversion of the Convertible Notes.

     The table on page 70 of the Prospectus sets forth  information with respect
to the Selling Holders (as defined in the Prospectus) and the respective amounts
of  Convertible  Notes  beneficially  owned by each  Selling  Holder that may be
offered  pursuant  to  the  Prospectus  (as  supplemented  and  amended).   This
Prospectus  Supplement  amends that table by (i) replacing item 46 of that table
with the corresponding  item set forth below and (ii) adding items 47 through 49
set forth below to that table.




                                                                     NUMBER OF UNITS       TOTAL NUMBER OF
                                                                     BEING REGISTERED     UNITS BENEFICIALLY
     NAME OF BENEFICIAL HOLDER                                            HEREBY                 OWNED
     -------------------------                                       ----------------     ------------------
                                                                                       
"46. Oppenheimer Strategic Income Fund............................   $  2,200,000           $  2,200,000
 47. Oppenheimer High Yield Fund..................................   $  1,400,000           $  1,400,000
 48. Oppenheimer Champion Income Fund.............................   $    800,000           $    800,000
 49. Unidentified Selling Holders.................................   $  3,092,000           $  3,092,000
                                                                     ------------           ------------
                Total.............................................   $ 86,250,000           $ 86,250,000"


     The  Prospectus,   together  with  this   Prospectus   Supplement  No.  10,
constitutes  the  prospectus  required to be  delivered  by Section  5(b) of the
Securities  Act of 1933,  as  amended,  with  respect to offers and sales of the
Convertible  Notes  and  the  Common  Stock  issuable  upon  conversion  of  the
Convertible Notes.

     Prospective investors should carefully consider matters discussed under the
caption "Risk Factors" beginning on page 9 of the Prospectus.

THESE  SECURITIES  HAVE NOT BEEN APPROVED OR  DISAPPROVED  BY THE SECURITIES AND
EXCHANGE  COMMISSION OR ANY STATE  SECURITIES  COMMISSION NOR HAS THE SECURITIES
AND  EXCHANGE  COMMISSION  OR ANY STATE  SECURITIES  COMMISSION  PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

        The date of this Prospectus Supplement No. 10 is October 27, 1998