4d) Approval of Agreement with Nokia of America Corporation in the Amount of $1,170,271.85 for the Acquisition of Network Upgrade Improvements and Related Services for the County Public Safety Microwave Radio Communications System; Authorize the Chief Executive Officer or her/his Designee to Execute any and all Documents in Relation to the Transaction; and Authorize the Chief Executive Officer or her/his Designee to Sign any Future Amendments to the Agreement That Do Not Alter the Fiscal Aspect of the Nokia of America Corporation Agreement for Equipment, Software and Services