Summary of Lease Contract

Lessor : Eunsung Building (Called "A" in hereafter)
Lessee : Spectrian Asia Pacific (Called "B" in hereafter)

                            4th Floor           5th Floor         1st Basement
                            ---------           ---------         ------------

1. Space use           : Approx. 5,280sft   Approx. 2,740sft   Approx. 13,450sft
   Actual usable space : Approx. 3,168sft   Approx. 1,541sft   Approx. 7,565sft
   (40% of common area)

2.   "B" will  lease  the space of  Eunsung  Building  to use for  office & lab,
     manufacturing  space and can't use it for any other purpose  without mutual
     written agreement.

3.   A lease contract period

     (1) Lease period : 2000, 3. 1 - 2001, 2. 28

     (2) "A" can  terminate  the  contract  if "B" can't pay the whole  security
         deposit before the effective contract day by its side.

     (3) "A" or "B" has to inform the intention of  cancellation  60 days before
         the end of  contract,  If there is no  notice  each  other,  the  lease
         contract regarded to be extended automatically.

     (4) Cancellation of contract during automatically  extended contract period
         can be made when "B" inform the  intention of  cancellation  by written
         notice to "A"

     (5) "A" has to register the whole  security  deposit as a lien during lease
         period.

4. Lease deposit

     (1) Lease deposit: Korean won 294.8M / US$ 268,000-
                        (Additional amount - Korean won 230.8M / US$ 209,818-)

     (2) Initial deposit: Korean won 74M / US$ 67,273-
                        (Additional amount - Korean won 10M / US$ 9,091-)

     Rest of the amount : must be paid before the commencement of this contract.

     (3) If this contract is breached due to (2) of paragraph 3, initial deposit
         will be forfeited by landlord and "B" can't ask for the refund.

     (4) Security deposit has no interest.

     (5) "B" can't pay their  monthly  rent  from the  security  deposit,  can't
         transfer  the right of  security  deposit  refund to the 3rd party and,
         can't use it as a bond.

     (6) "A" has to return the full amount of security  deposit  right after the
         lease termination.



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5.   Office rent

     (1) Monthly rent: Korea won 25,993M / US$ 23,630-
                      (Additional  amount - Korean won  18,793M / US$  17,084-)

6.   Utility

     (1) "A" has to pay utility for common area.

     (2) Utility for the special area designated by "B" has to be paid by "B".

7.   Adjustment of security deposit, rent & utility

     "A" can adjust the security  deposit,  rent,  utility  under the  following
     circumstance with an agreement with "B" after information the notice to "B"
     before 30 days.

     (1) When the tax increase for the building is expected.

     (2) When consumer price index is increased and any other economic situation
         is expected.

     (3) When the expenses for the building maintenance are increased rapidly.

8.   Tenant improvement

     (1) "B" can do his own tenant improvement, only when "A" approve the tenant
         improvement.

     (2) After lease  contract is terminated  "B" must get rid of all the tenant
         improvement to make the space as the original status as it was.

     (3) If there's any damage to the building, "B" is fully responsible for the
         repair.

     (4) "B" can use the warehouse  space  (Approx.  200sft) as a free of charge
         during the contract period.

9.   Repair

    If  repair  expense  caused  by  "B"'s  mistake,  "B" has to pay all  repair
expenses.

10.  "B" can't sub-lease the space to the third party,  nor to endorse the right
     & the duties of this contract.

11.  "B" can't use subject  space for the other purpose and can't use this space
     for residential.

12.  (1) "A" should have security guard.

     (2) "A" is not responsible for fire & theft.

13.  "A" has a full right to cancel this  contract when "B" didn't pay a monthly
     rent for three months consecutive.



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14.  If there are any other condition to be added or the other objection on this
     contract,  it can be adjusted by mutual agreement is not made, parties have
     to follow the interpretation of lawyer pointed by both parties.


[Addendum]

1.   "A" should changes its legal use for 1st Basement space  according to "B"'s
     ask.

2.   "A" should offer "B" 3rd Basement as an exclusive parking space for free of
     charge during the period of this lease contract.

3.   In case that  Spectrian  Asia  Pacific  Liaison  Office is  transferred  to
     Spectrian  Korea  Incorporation,  this  contract  shall be effective  until
     termination of this contract.