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                                                                Exhibit 10.4.3.1



                   ADDENDUM TO REGISTRATION RIGHTS AGREEMENT


     THIS ADDENDUM TO REGISTRATION RIGHTS AGREEMENT (this "Addendum"), is made
and effective as of____________, by and among AIRONET WIRELESS COMMUNICATIONS,
INC., a Delaware corporation (the "Corporation"), the undersigned and each of
the signatories to the Registration Rights Agreement with reference to which
this Addendum is made:

            Pursuant to the REGISTRATION RIGHTS AGREEMENT (the "Agreement")
            dated as of March 31, 1998 by and among Aironet Wireless
            Communications, Inc., a Delaware corporation (the "Corporation") and
            its stockholders, the undersigned, now the holder of _______ shares
            of Common Stock, with $.01 par value, of the Corporation evidenced
            by certificate(s) issued by the Corporation, does hereby become a
            party to the Agreement entitled to the rights, and subject to the
            obligations, as set forth therein, to the extent the undersigned is
            record holder of shares of the Corporation's capital stock, with the
            same force and effect as though he had executed said Agreement as an
            initial signatory party thereto. The undersigned acknowledges that
            he has read said Agreement and is familiar with and understands its
            terms.

     In witness whereof, this Addendum has been executed by the undersigned this
____ day of ____________, 1999.



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                                      (Signature)