**EXHIBIT        10.17**

**Note:        Portions of this exhibit indicated by [*] are subject to a confidential        treatment request, and have been omitted from this exhibit. Complete, unredacted        copies of this exhibit have been filed with the Securities and Exchange        Commission as part of the Company’s confidential treatment        request.**
** **

**SUPPLEMENT        TO PURCHASE CONTRACT (YZN/ACL-a14s1)**

| 1.   | Regarding Article 3.-Item 3. of Original P/C,                the unit                price of Enclosure/Aux. for a Single |
|----------------|---------------------------------------------------------------------------------------------------------------------------|

|   | B/S                  Product Set is US$**[*].** |
|--------|-------------------------------------------------|

|   |   |
|--------|--------|

| 2.   | Regarding                  Article 4.-Item 3. of Original P/C, the purchase quantity of Enclosure                  Aux. for Single B/S Products Set is **[*]**units,                  the Contract Price of which is US$**[*].**                  In                  this **[*]**units,                  the assortment of two types Enclosure/Aux. for Single B/S Products                  Set,                  the one is with GPS and the other is without GPS, is **[*]**                  units and **[*]**                  units respectively. |
|----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| 3.   | Regarding                  Article 4.-Item 6. of Original P/C, the purchase quantity of EasyST                  is                  **[*]**units                  instead of **[*]**units,                  the Contract Price of which is US$**[*]**instead                  of US$**[*]**(US$**[*]**decrease). |
|----------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| 4.   | Regarding                  Article 4.-Item 7, of Original P/C, the purchase quantity of WiFi-AP                  For                  EasyST is **[*]**                  units, the Contract Price of which is US$**[*]**. |
|----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| 5.   | Regarding                  Article 4.-Item 8. of Original P/C, the purchase quantity of Easy                  ST Base                  Unit is **[*]**                  instead of **[*]**units,                  the Contract Price of which is **[*]**                  instead of US$**[*]**.                  (US$**[*]**decrease). |
|----------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| 6.   | Regarding                  Article 4.-Item 9. of Original P/C, the purchase quantity of ProST                  is                  **[*]**units,                  the Contract Price of which is US$**[*]**.                  This quantity is an aggregate of standard “ProST”s and “ProST-WiFi”s                  (ProST to be integrated with WiFi-AP For ProST), while the latter                  will be                  **[*]**units                  as of the date herein above. |
|----------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| 7.   | Regarding                  Article 4.-Item 10. of Original P/C, the purchase quantity of WiFi-AP                  For                  ProST is **[*]**units                  the Contract Price of which is US$**[*]**.                  YOZAN has its optional right to additionally purchase up to **[*]**                  units of this WiFi-AP For ProST if and when YOZAN notify ACL, by                  the end                  of September, 2005, in written form to execute this optional right                  of                  additional purchase. |
|----------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| 8.   | YOZAN                  shall additionally purchase from ACL **[*]**                  units of each 3meters External Cabling finished for connection                  MicroMAX-SDR to Radio-Transceivers. The unit price of this External                  Cabling is US$**[*]**,                  the Contract Price of which is US$**[*]**. |
|----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| 9.   | YOZAN                  shall additionally purchase from ACL **[*]**                  sets of GPS which shall be integrated into MicroMAX-SDR as a factory                  built                  option. The unit price of this GPS option is US$**[*]**,                  the Contract Price of which is US$**[*]**. |
|----------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| 10.   | YOZAN                  shall additionally purchase from ACL **[*]**                  units of 3m cable connecting GPS and its antenna. The unit price                  of this                  cable is US$**[*]**,                  the Contract Price of which is US$**[*]**. |
|-----------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

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| 11.   | YOZAN                    shall additionally purchase from ACL **[*]**units                    of finished 3m cable connection two MicroMAX-SDRs for GPS operation.                    The                    unit price of this finished cable is US$**[*]**,                    the Contract Price of which is US$**[*]**. |
|-----------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| 12.   | Regarding                    Article 3.-Item 11. of Original P/C, Carrier Sence S/W, the Contract                    Price                    is **[*]**. |
|-----------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| 13.   | YOZAN                    shall additionally purchase from ACL **[*]**sets                    of the Outdoor PSU to be attached to ProST. The unit Price of                    this Outdoor                    PSU is US$**[*]**,                    the Contract Price of which is US$**[*]**.                    If YOZAN execute the aforesaid optional right of additionally                    purchasing                    WiFi-AP For ProST, the additional Outdoor PSU shall be purchased                    by YOZAN                    accordingly. |
|-----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| 14.   | ACL                    shall discount US$**[*]**from                    the lump sum amount of the change in Grand Total of Contract                    Price, which                    is resulted from This SUPPLEMENT. After the above supplement,                    change and                    this discount, Grand Total of Contract Price mentioned in Article                    4. of                    Original P/C shall be US$16,667,940 instead of                    US$9,816,000. |
|-----------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   |   |
|--------|--------|

| 15.   | Regarding                    Article 6-Item 2. of Original P/C, Payment Terms for Down Payment                    is                    changed to “30% of the total Contract Price” instead of $15% of the total                    Contract Price,” according to MINUTES OF MEETING made by the both parties                    as of 15th                    July, 2005. As a result, YOZAN shall pay US$2,055,582, to ACL                    within two                    weeks of This SUPPLEMENT. This is calculated as                    follows: |
|-----------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

----

|  |
|--|

|   | The                    total Contract Price of Original P/C       | US$9,816,000                                                  |
|--------|-------------------------------------------------------------------|---------------------------------------------------------------|
|   | The                    Contract Price added by This SUPPLEMENT    | US$6,851,940                                                  |
|   |                                                              | The                    total Contract Price of the date       | US$16,667,940 |
|   |                                                              | The                    Down Payment Amount (30% of the above) | US$5,000,382 |
|   |                                                              | The                    Down Payment is already paid           | US$2,944,800 |
|   | The                    Down Payment to be paid by This SUPPLEMENT | US$2,055,582                                                  |

| 16.   | Regarding                  Article 6.-Item 4. of Original P/C, the payment to be made by YOZAN                  to ACL                  within two months after the corresponding Delivery is $35% of the                  respective Contract Price” instead of “50% of the same,” according to                  MINUTES OF MEETING made by the both parties as of 15th                  July, 2005. |
|-----------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 17.   | The                  other part of Original P/C than mentioned herein above shall remain                  unchanged. |
|-----------------|----------------------------------------------------------------------------------------------------------------------|

| YOZAN                  INC. (SIGNED)                   By                  Sunao Takatori, President and CEO |   | AIRSPAN                  COMMUNICATIONS LTD. (SIGNED)                   By                  Eric Stonestrom,                  CEO |
|------------------------------------------------------------------------------------------------------------------------|--------|---------------------------------------------------------------------------------------------------------------------------------------------|