Axtel FWA Amendment - Change Order Attachment A (1/2)



<TABLE>
<CAPTION>
              ----------------------------------------------------------------------------------------------------------------
                                                                                                                       % Cash/
              Incr.                                                         $ Price/                                   LC on
              Order #     Discreet Incremental Orders                         Unit         Units      PO Value           PO
              ----------------------------------------------------------------------------------------------------------------

<S>           <C>         <C>                                                <C>           <C>      <C>                  <C>
              No. 1       7.5k x F2                                          381.14        7,500    $2,858,550.00        100%
              No. 1a*     500 x F2                                           356.14          500      $178,070.00        100%
              No. 2       8k x F2                                            381.14        8,000    $3,049,120.00        100%
              No. 3       6.5k x F2                                          381.14        6,500    $2,477,410.00        100%
              No. 4       2.5k x F5                                          570.77        2,500    $1,426,925.00        100%
              No. 5       2.5k x F5                                          570.77        2,500    $1,426,925.00        100%

              No. 6       5k x F2                                            381.14        5,000    $1,905,700.00        100%
              No. 7       3k x F2                                            381.14        3,000    $1,143,420.00        100%
              No. 7a*     2k x F2                                            356.14        2,000      $712,280.00        100%
              No. 8*      5k x F2                                            356.14        5,000    $1,780,700.00        100%

              No. 9       114 x TBM-CD                                     2,369.68          114      $270,143.90         50%
              No. 10      18 x TPM                                         4,897.54           18       $88,155.75         50%
              No. 11      18 x TMU                                         8,259.12           18      $148,664.10         50%
              No. 12      26 x TPM-PD                                      7,692.00           26      $199,992.00        100%
              No. 13      42 x TPM                                         4,897.54           42      $205,696.75         50%
              No. 14      42 x TMU                                         8,259.12           42      $346,882.90         50%
Cancelled     No. 15      54 x TPM                                         4,897.54           54      $264,467.25         50%
              No. 16      54 x TMU                                         8,259.12           54      $445,992.30         50%

              No. 17      30 x PD Upgrade                                 40,384.63           30    $1,211,538.75        100%
              No. 18      2 x 27b RBS                                    212,017.55            2      $424,035.10        100%
              No. 19      3 x 27b RBS                                    212,017.55            3      $636,052.65        100%
              No. 20      3 x 27b RBS                                    212,017.55            3      $636,052.65        100%
              No. 21      4 x 27b RBS                                    212,017.55            4      $848,070.20        100%
              No. 22      3 x 18b RBS                                    137,136.62            3      $411,409.86        100%
              No. 23      1 x 18b RBS                                    137,136.62            1      $137,136.62        100%
              No. 24      3 x 18b RBS                                    137,136.62            3      $411,409.86        100%
              No. 25      1 x 18b RBS                                    137,136.62            1      $137,136.62        100%
              No. 26      10 x PD Upgrade                                 40,384.63           10      $403,846.25        100%
              No. 27      7 x PD Upgrade                                  40,384.63            7      $282,692.38        100%
Cancelled     No. 28      5 x 27b RBS                                    212,017.55            5    $1,060,087.75        100%
Cancelled     No. 29      3 x 27b RBS                                    212,017.55            3      $636,052.65        100%
Cancelled     No. 30      2 x 18b RBS                                    137,136.62            2      $274,273.24        100%
Cancelled     No. 31      2 x 18b RBS                                    137,136.62            2      $274,273.24        100%

              No. 32      Incr Capacity                                  600,000.00            1      $600,000.00         50%
              ----------------------------------------------------------------------------------------------------------------

New Order     No. 33      TMU's                                            9,910.94           13      $128,842.22        100%
New Order     No. 34      18b RBS (1 TPM & No Ant)                       103,648.92            1      $103,648.92        100%
New Order     No. 35      27b RBS (2 TPM & No Ant) - replaces PO # 28    164,234.76            5      $821,173.80        100%
New Order     No. 36      27b RBS (2 TPM & No Ant) - replaces PO# 29     164,234.76            3      $492,704.28        100%
New Order     No. 37      18b RBS (1 TPM & No Ant) - replaces PO# 30     103,648.92            3      $310,946.76        100%
New Order     No. 38      18b RBS (1 TPM & No Ant) - replaces PO# 31     103,648.92            3      $310,946.76        100%
New Order     No. 39      TBM - CD's                                       2,843.62           21       $59,716.02        100%
New Order     No. 40      TPM - PD's                                       7,692.31           10       $76,923.10        100%
New Order     No. 41      27b RBS (2 TPM & No Ant)                       164,234.76            1      $164,234.76        100%
New Order     No. 42      TMU's                                            9,910.94           14      $138,753.16        100%
              ----------------------------------------------------------------------------------------------------------------

              ----------------------------------------------------------------------------------------------------------------
              Ref         5k F2 Q4 Min Order                                 381.14        5,000    $1,905,700.00        100%
              Ref         5k F5 '03 Min Order                                570.77        5,000    $2,853,850.00        100%
              Ref         '04 Min Order Q1&2                                 381.14       10,000    $3,811,400.00        100%
              Ref*        '04 Min Order Q3&4                                 356.14       10,000    $3,561,400.00        100%
              ----------------------------------------------------------------------------------------------------------------

</TABLE>




<TABLE>
<CAPTION>
                                                                                          $k Cash/
                                                         Cash/LC                            LC on            $ Cash on
                                     Cash with PO           Date          LC or Cash       Acceptance          Delivery
---------------------------------------------------------------------------------------------------------------------------

<S>           <C>              <C>      <C>              <C>       <C>      <C>             <C>               <C>
              No. 1             70%     $2,000,985.00    Sep-03    30%      $857,565.00     $2,858,550.00
              No. 1a*           70%       $124,649.00    Sep-03    30%       $53,421.00       $178,070.00
              No. 2             70%     $2,134,384.00    Feb-04    30%      $914,736.00     $3,049,120.00
              No. 3             70%     $1,734,187.00    Apr-04    30%      $743,223.00     $2,477,410.00
              No. 4             70%       $998,847.50    Sep-03    30%      $428,077.50     $1,426,925.00
              No. 5             70%       $998,847.50    Mar-04    30%      $428,077.50     $1,426,925.00

              No. 6             70%     $1,333,990.00    Jan-04    30%      $571,710.00     $1,905,700.00
              No. 7             70%       $800,394.00    May-04    30%      $343,026.00     $1,143,420.00
              No. 7a*           70%       $498,596.00              30%      $213,684.00       $712,280.00
              No. 8*            70%     $1,246,490.00    Jul-04    30%      $534,210.00     $1,780,700.00

              No. 9             50%       $135,071.95    Sep-03     0%            $0.00       $135,071.95      $135,071.95
              No. 10            50%        $44,077.88    Sep-03     0%            $0.00        $44,077.88       $44,077.88
              No. 11            50%        $74,332.05    Sep-03     0%            $0.00        $74,332.05       $74,332.05
              No. 12            70%       $139,994.40    Feb-04    30%       $59,997.60       $199,992.00
              No. 13            50%       $102,848.38    Oct-03     0%            $0.00       $102,848.38      $102,848.38
              No. 14            50%       $173,441.45    Oct-03     0%            $0.00       $173,441.45      $173,441.45
Cancelled     No. 15            50%       $132,233.63    Dec-03     0%            $0.00       $132,233.63      $132,233.63
              No. 16            50%       $222,996.15    Dec-03     0%            $0.00       $222,996.15      $222,996.15

              No. 17            70%       $848,077.13    Jan-04    30%      $363,461.63     $1,211,538.75
              No. 18            70%       $296,824.57    Sep-03    30%      $127,210.53       $424,035.10
              No. 19            70%       $445,236.86    Oct-03    30%      $190,815.80       $636,052.65
              No. 20            70%       $445,236.86    Nov-03    30%      $190,815.80       $636,052.65
              No. 21            70%       $593,649.14    Dec-03    30%      $254,421.06       $848,070.20
              No. 22            70%       $287,986.90    Sep-03    30%      $123,422.96       $411,409.86
              No. 23            70%        $95,995.63    Oct-03    30%       $41,140.99       $137,136.62
              No. 24            70%       $287,986.90    Nov-03    30%      $123,422.96       $411,409.86
              No. 25            70%        $95,995.63    Dec-03    30%       $41,140.99       $137,136.62
              No. 26            70%       $282,692.38    Jan-04    30%      $121,153.88       $403,846.25
              No. 27            70%       $197,884.66    Feb-04    30%       $84,807.71       $282,692.38
Cancelled     No. 28            70%       $742,061.43    Jan-04    30%      $318,026.33     $1,060,087.75
Cancelled     No. 29            70%       $445,236.86    Feb-04    30%      $190,815.80       $636,052.65
Cancelled     No. 30            70%       $191,991.27    Feb-04    30%       $82,281.97       $274,273.24
Cancelled     No. 31            70%       $191,991.27    Mar-04    30%       $82,281.97       $274,273.24

              No. 32            50%       $300,000.00    Sep-03     0%            $0.00       $300,000.00      $300,000.00
              -----------    -------    -------------   ---------------    ------------    --------------    ------------

New Order     No. 33            70%        $90,189.55    Dec-03    30%       $38,652.67       $128,842.22
New Order     No. 34            70%        $72,554.24    Jan-04    30%       $31,094.68       $103,648.92
New Order     No. 35            70%       $574,821.66    Jan-04    30%      $246,352.14       $821,173.80
New Order     No. 36            70%       $344,893.00    Feb-04    30%      $147,811.28       $492,704.28
New Order     No. 37            70%       $217,662.73    Feb-04    30%       $93,284.03       $310,946.76
New Order     No. 38            70%       $217,662.73    Mar-04    30%       $93,284.03       $310,946.76
New Order     No. 39            70%        $41,801.21    Jan-04    30%       $17,914.81        $59,716.02
New Order     No. 40            70%        $53,846.17    Feb-04    30%       $23,076.93        $76,923.10
New Order     No. 41            70%       $114,964.33    Mar-04    30%       $49,270.43       $164,234.76
New Order     No. 42            70%        $97,127.21    Feb-04    30%       $41,625.95       $138,753.16
              -----------    -------    -------------    ---------------    ------------    --------------    ------------

              -----------       70%     $1,333,990.00    Sep-03    30%      $571,710.00     $1,905,700.00
              Ref               70%     $1,997,695.00    Dec-03    30%      $856,155.00     $2,853,850.00
              Ref               70%     $2,667,980.00    Var       30%    $1,143,420.00    $3,811,400.00
              Ref               70%     $2,492,980.00    Var       30%    $1,068,420.00    $3,561,400.00
              Ref*           -------    -------------    ---------------    ------------    --------------    ------------
              -----------

</TABLE>


<TABLE>
<CAPTION>
                  PO Placement, Acceptance & Delivery Schedule
--------------------------------------------------------------------------------------------------------------------
                                         2003                                           2004
--------------------------------------------------------------------------------------------------------------------
                            Sep      Oct    Nov     Dec   Jan    Feb    Mar    Apr    May    Jun   Jul    Aug    Sep
--------------------------------------------------------------------------------------------------------------------

<S>           <C>          <C>      <C>     <C>     <C>   <C>    <C>    <C>    <C>    <C>    <C>   <C>    <C>    <C>
              No. 1        P & A
              No. 1a*      P & A
              No. 2          P                                     A
              No. 3          P                                                   A
              No. 4        P & A
              No. 5          P                                            A

              No. 6          P                              A
              No. 7          P                                                          A
              No. 7a*
              No. 8*         P                                                                       A

              No. 9        P & A             D
              No. 10       P & A             D
              No. 11       P & A             D
              No. 12         P                                     A
              No. 13         P        A              D
              No. 14         P        A              D
Cancelled     No. 15         P                       A             D
              No. 16         P                       A             D

              No. 17         P                              A
              No. 18       P & A
              No. 19         P        A
              No. 20         P               A
              No. 21         P                       A
              No. 22       P & A
              No. 23         P        A
              No. 24         P               A
              No. 25         P                       A
              No. 26         P                              A
              No. 27         P                                     A
Cancelled     No. 28         P                              A
Cancelled     No. 29         P                                     A
Cancelled     No. 30         P                                     A
Cancelled     No. 31         P                                            A
              No. 32       P & A                    D1                    D2
              ---------------------------------------------------------------------------------------------------
New Order     No. 33                               P&A
New Order     No. 34                                P       A
New Order     No. 35                                P       A
New Order     No. 36                                P             A
New Order     No. 37                                P             A
New Order     No. 38                                P                    A
New Order     No. 39                                P       A
New Order     No. 40                                P             A
New Order     No. 41                                P                    A
New Order     No. 42                                P             A
              ---------------------------------------------------------------------------------------------------

              ---------------------------------------------------------------------------------------------------
              Ref              A
              Ref                                   A
              Ref                                   P      A             A
              Ref*                                  P                                     A                 A
                           --------------------------------------------------------------------------------------

</TABLE>



<TABLE>
<CAPTION>


                                             Axtel FWA Amendment - Change Order Attachment A (1/2)

                                      Cash / LC Schedule
------------------------------------------------------------------------------------------------------------------------------
              2003                                                   2004
------------------------------------------------------------------------------------------------------------------------------
                              Sep      Oct     Nov     Dec     Jan    Feb    Mar     Apr    May    Jun     Jul     Aug   Sep
------------------------------------------------------------------------------------------------------------------------------


                              $k       $k      $k      $k      $k     $k     $k      $k     $k     $k      $k      $k


<S>           <C>             <C>      <C>     <C>     <C>     <C>    <C>    <C>     <C>    <C>    <C>     <C>     <C>   <C>
              No. 1           2,859
              No. 1a*          178
              No. 2                                            3,049
              No. 3                                                                  2,477
              No. 4           1,427
              No. 5                                            1,427

              No. 6                                            1,906
              No. 7                                                                         1,143
              No. 7a*                                                                        712
              No. 8*                                                                                       1,781

              No. 9            135              135
              No. 10            44               44
              No. 11            74               74
              No. 12                                             200
              No. 13                    103              103
              No. 14                    173              173
Cancelled     No. 15                                      0             0
              No. 16                                     223           223

              No. 17                                           1,212
              No. 18           424
              No. 19                    636
              No. 20                            636
              No. 21                                     848
              No. 22           411
              No. 23                    137
              No. 24                            411
              No. 25                                     137
              No. 26                                             404
              No. 27                                             283
Cancelled     No. 28                                             0
Cancelled     No. 29                                             0
Cancelled     No. 30                                             0
Cancelled     No. 31                                             0
              No. 32           300                       150                   150
              --------------------------------------------------------------------------------------------------------------------
New Order     No. 33                                     129            0
New Order     No. 34                                            104
New Order     No. 35                                            821
New Order     No. 36                                                   493
New Order     No. 37                                                   311
New Order     No. 38                                                           311
New Order     No. 39                                             60
New Order     No. 40                                                    77
New Order     No. 41                                                           164
New Order     No. 42                                                   139
              --------------------------------------------------------------------------------------------------------------------
Sub-Total Cash -
Incremental RSS
& all RBS                    5,852    1,049    1,301   1,763   4,506  4,774   2,052   2,477  1,856      0 1,781     0         0
              --------------------------------------------------------------------------------------------------------------------
              Ref            1,906
              Ref                                      2,854
              Ref                                              1,906          1,906
              Ref*                                                                                  1,781                 1,781
              --------------------------------------------------------------------------------------------------------------------
Total Cash Due
on 16th                      7,758    1,049    1,301   4,617   6,411  4,774   3,958   2,477  1,856  1,781 1,781     0     1,781
              --------------------------------------------------------------------------------------------------------------------
                                               2003 - 14,726                                                     2004    24,818
                                                      ------                                                             ---------
                                                                                                                TOTAL    39,544




Legend P = Place Order Document
       A = Activate Order with Pre-Payment (pursuant the payment terms set forth in this Ammendment)
       D = Deferred Payment


Incremental Orders and associated payments are due on the 15th day of the month indicated.
Order numbers marked with a star * include volume over 35,000 units in that year
and are plannmed to receive a discount of $25 per unit. Further incremental RSS
Order activated (paid) during year 2004 shall have a discount of $25 per unit.
(Not applicable to the 2005 Minimum Orders) The four RSS orders shown at the
bottom of this list are Minimum Order Quantity orders and are only shown here
for reference. The Order No. 17 for 30 PD Upgrades includes Axtel's 2004 Annual
Minimum Commitment of base station units set forth in the FWA PLA. Dollar
amounts are rounded and indicative. P.O.s to reflect actual amounts.
Purchase Orders 4500051784 (No. 15), 4500051798 (No. 28), 4500051799 (No. 29), 4500051800 (No. 30) and 4500051801 (No. 31)
are cancelled as per this Change Order dated Dec 5th, 2003


</TABLE>

<PAGE>



                      Axtel FWA Amendment - Change Order Attachment A (2/2)
<TABLE>
<CAPTION>


                                                           PO Placement & Acceptance
           --------------------------------------------------------------------------------------------------------------------
                        Discreet                           2003                                     2004
            Incr.       Incremental   -----------------------------------------------------------------------------------------
           Order #      Orders            Units    Sep    Oct   Nov   Dec    Jan    Feb   Mar   Apr   May   Jun  Jul  Aug   Sep
           --------------------------------------------------------------------------------------------------------------------
<S>          <C>              <C>        <C>      <C>    <C>   <C>   <C>    <C>   <C>    <C>   <C>   <C>   <C>  <C>  <C>   <C>

             No. 1 to 8        F2        37,500
                               F5         5,000

                         Cummulative F2
                         Cummulative F5

               No. 9      114 x TBM-CD     114    P & A          D
               No. 10       18 x TPM       18     P & A          D
               No. 11       18 x TMU       18     P & A          D
               No. 12     26 x TPM-PD      26       P                                A
               No. 13       42 x TPM       42       P      A           D
               No. 14       42 x TMU       42       P      A           D
Cancelled      No. 15       54 x TPM       54       P                  C
               No. 16       54 x TMU       54       P                  A             D

               No. 17   30 x PD Upgrade    30       P                         A
               No. 18     2 x 27b RBS       2     P & A
               No. 19     3 x 27b RBS       3       P      A
               No. 20     3 x 27b RBS       3       P            A
               No. 21     4 x 27b RBS       4       P                  A
               No. 22     3 x 18b RBS       3     P & A
               No. 23     1 x 18b RBS       1       P      A
               No. 24     3 x 18b RBS       3       P            A
               No. 25     1 x 18b RBS       1       P                  A
               No. 26   10 x PD Upgrade    10       P                         A
               No. 27    7 x PD Upgrade     7       P                                A
Cancelled      No. 28     5 x 27b RBS       5       P                  C
Cancelled      No. 29     3 x 27b RBS       3       P                  C
Cancelled      No. 30     2 x 18b RBS       2       P                  C
Cancelled      No. 31     2 x 18b RBS       2       P                  C

New Order      No. 33        TMU's         13                         P&A
New Order      No. 34   18b RBS
                        (1 TPM & No An1)                               P      A
New Order      No. 35   27b RBS
                        (2 TPM & No An5)                               P      A
New Order      No. 36   27b RBS
                        (2 TPM & No An3)                               P             A
New Order      No. 37   18b RBS
                        (1 TPM & No An3)                               P             A
New Order      No. 38   18b RBS
                        (1 TPM & No An3)                               P                   A
New Order      No. 39      TBM - CD's      21                          P      A
New Order      No. 40      TPM - PD's      10                          P             A
New Order      No. 41   27b RBS
                        (2 TPM & No An1)                               P                   A
New Order      No. 42        TMU's         14                          P             A
                           ----------------------------------------------------------------------------------------------------

</TABLE>




<TABLE>
<CAPTION>
                                       Delivery Schedule Including Minimum Order Quantities
------------------------------------------------------------------------------------------------------------------------------------
                                 2003                                                    2004                                 2005
------------------------------------------------------------------------------------------------------------------------------------
                        Sep   Oct   Nov   Dec   Jan    Feb   Mar    Apr    May    Jun    Jul    Aug    Sep   Oct   Nov   Dec
------------------------------------------------------------------------------------------------------------------------------------

<S>        <C>          <C>   <C>   <C>   <C>   <C>    <C>   <C>    <C>    <C>    <C>    <C>    <C>   <C>    <C>   <C>   <C>   <C>
           No. 1 to 8   1000   2000  2000 1000  2000    3000  4000   5000   6000   6000   6000   6000  6000   5000  6000  5000 11500
                                                                     1000   1000   1000   1000   1000  1000   2000  1000  1000

                        1000   3000  5000 6000  8000   11000 15000  20000  26000  32000  38000  44000  50000 55000 61000 66000 77500
                                                                     1000   2000   3000   4000   5000   6000  8000  9000 10000 10000

            No. 9                     60                 54
            No. 10                    18
            No. 11                    18
            No. 12                                                           5      6             15
            No. 13                         42
            No. 14                         42
Cancelled   No. 15                                       0
            No. 16                                       54

            No. 17                                                    7      8      12     3
            No. 18                                       2
            No. 19                                             3
            No. 20                                   3
            No. 21                                                           4
            No. 22                                       3
            No. 23                                             1
            No. 24                                   3
            No. 25                                                           1
            No. 26                                                                         2      8
            No. 27                                                                         7
Cancelled   No. 28                                                                  0
Cancelled   No. 29                                                                         0
Cancelled   No. 30                                                                         0
Cancelled   No. 31                                                                                0

New Order   No. 33                                                                  13
New Order   No. 34                                                                  1

New Order   No. 35                                                                  5

New Order   No. 36                                                                         3

New Order   No. 37                                                                         3

New Order   No. 38                                                                                3

New Order   No. 39                                                                        21
New Order   No. 40                                                                        10
New Order   No. 41                                                                                1

New Order   No. 42                                                                               14
--------------------------------------------------------------------------------------------------------------

          Legend:P = Place Order Document
                 A = Activate Order with Pre-Payment (pursuant the payment terms set forth in this Ammendment)
                 D = Deferred Payment
                 C = Cancelled by mutual agreement between Axtel and Nortel

          *Note: Volume shown in 2005 reflect likely Orders on Hand as of Jan 1 2005 given this delivery schedule and the
                 acceptance of all outstanding POs due by that date.

</TABLE>