8a) Approval of First Amendment to Agreement 21-001 with Nokia of America Corporation in the Amount of $28,917.52, for a New Total Contract Amount of $1,199,189.37, Related to the Acquisition of Network Upgrade Improvements and Related Services for the County Public Safety Microwave Radio Communications System and the Addition of required DC power upgrades; 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 Master Agreement for Equipment, Software and Services