Exhibit 10.4

     AGREEMENT  AND RELEASE  (this  "Agreement")  made and  entered  into by and
between Telebyte  Technology,  Inc., a Nevada  corporation (the "Company"),  and
Joel A. Kramer ("Employee").

IT IS HEREBY AGREED THAT:

         1. In  consideration  of the Company  executing  and  delivering to the
Employee that certain Stock Purchase  Agreement  contemplated to be executed and
delivered by the Company and Employee and other good and valuable consideration,
the receipt and  sufficiency  of which is hereby  acknowledged  by the Employee,
Employee  hereby  releases  and  forever  discharges  the  Company,  its parent,
subsidiaries,   affiliates,   related   companies,   controlling   shareholders,
directors,  officers,  employees,  agents,  attorneys,  successors,  and assigns
(collectively,  the "Releasees") from all liabilities,  causes of action, suits,
claims,  damages and demands whatsoever,  whether known or unknown, at law or in
equity,  whether  statutory or common law,  whether  federal,  state,  local, or
otherwise,  related to, or arising out of, any aspect of his employment with the
Company, or the termination of such employment,  including,  but not limited to,
any claims of employment  discrimination  on any basis which he  (including  his
heirs, executors, administrators, successors, and assigns) has asserted or could
have  asserted to the date of his execution of this  Agreement.  Notwithstanding
the forgoing, the Company is not in any respect released by the Employee for any
liability  or  obligation  to the  Employee  arising out of (i) any right of the
Employee pursuant to the Company's By-Laws,  Certificate of Incorporation or law
to be  indemnified  for his conduct as an  officer,  director or employee of the
Company,  or (ii)  any  claim  of the  Employee  arising  out of the  Employee's
enforcement of his rights under the Stock  Purchase  Agreement or the Consulting
Agreement or Termination  Agreement  contemplated to be entered into pursuant to
the Stock  Purchase  Agreement,  or (iii) any  benefit  plan  maintained  by the
Company for its employees  generally pursuant to which Employee accrued benefits
prior to the date of the Consulting Agreement.

         2. Employee understands that once this Agreement becomes effective,  he
waives and releases, to the extent consistent with applicable law, any rights or
claims  he  may  have  under  the  numerous  laws  and  regulations   regulating
employment,  whether  federal,  state,  local or otherwise,  including,  but not
limited to, the Age Discrimination in Employment Act of 1967, as amended,  Title
VII of the Civil Rights Act of 1964, as amended, the Americans with Disabilities
Act, Section 1981 (42 U.S.C. ss. 1981) of the Civil Rights Act of 1966, the Fair
Labor Standards Act, the Equal Pay Act, the Employee  Retirement Income Security
Act of 1974, as amended ("ERISA"), the Family and Medical Leave Act, and the New
York State Human Rights Law.

         3. This Agreement  shall not in any way be construed as an admission by
the Releasees of any liability, or of any wrongful,  discriminatory, or unlawful
acts  whatsoever  against  Employee  or any  other  person,  and  the  Releasees
specifically disclaims any liability to or wrongful, discriminatory, or unlawful
acts against Employee or any other person, on the part of the Releasees.

     4.  Except  for the  purpose of  seeking  enforcement  of the terms of this
Agreement, 





Employee  agrees that to the extent  consistent with applicable law, he will not
file or cause to have filed or instituted any civil action, complaint, charge or
other  proceeding of any nature or description  against the Releasees before any
judicial,  administrative,  arbitral or other forum based upon or arising out of
any claims,  whether asserted or unasserted,  that he may have as of the date of
this  Agreement and which are the subject of this release.  In addition,  in the
event that such an action is brought,  Employee  expressly waives, to the extent
consistent  with  applicable  law,  any claim to any form of  monetary  or other
damages,  or other form of recovery or relief, in connection with such action or
in connection with any action brought by a third party on his behalf.

         5. Employee acknowledges that he has received a copy of this Agreement,
that the Company  advised the  Employee  to consult an attorney  regarding  this
Agreement,  and that he has done so,  or  declined  to do so.  Employee  further
acknowledges  that he has had no less  than  twenty-one  (21)  days in  which to
consider, execute, and return this Agreement.

         6. This Agreement will not become  effective until seven (7) days after
the date  Employee  signs this  Agreement  below,  and  Employee may revoke this
Agreement  within seven (7) days after the date this  Agreement is signed by the
Employee,  provided that such  revocation is in writing  signed and delivered to
the Company.

         7. Employee further acknowledges,  represents, and warrants that he has
carefully read this Agreement;  that he fully understands the terms, conditions,
significance  and  consequences  of this  Agreement;  and that the  Employee has
executed this Agreement knowingly and voluntarily, and of his own free will.

TELEBYTE TECHNOLOGY, INC.


By: /s/ Kenneth S. Schneider                            Dated: January 20, 1999
    -------------------------------------
       Kenneth S. Schneider

/s/ Joel A. Kramer                                      Dated: January 20, 1999
- -----------------------------------------
Joel A. Kramer, Individually


(Acknowledgment continued on following page)


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STATE OF                            )
                                    )       ss.:
COUNTY OF                           )

                  On   ______________,   1999,   before  me,   personally  came,
_________________  to me known,  and known to me to be the individual  described
in, and who executed  the  foregoing  Agreement  and General  Release,  and duly
acknowledged to me that he executed same.

                                                        ------------------------
                                                               Notary Public


STATE OF                            )
                                    )       ss:
COUNTY OF                           )

                  On_______________,    1999,    before   me   personally   came
_____________________  to me known,  who, by me duly  sworn,  did depose and say
that  deponent  is the  __________________  of  Telebyte  Technology,  Inc.  the
corporation  described in, and which executed the forgoing Agreement and General
Release,  and that  deponent  signed  deponent's  name by order of the  Board of
Directors of such corporation.





                                                      --------------------------
                                                                Notary Public




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