Re-Advertisement: Proposals are hereby invited for the appointment of a service provider to provide technically detailed proposal on a Wide Area Network (WAN) for the implementation of Wide Area Multilateration (WAM) surveillance technology. Potential service providers are to provide technically detailed proposal (implying as a minimum, but not restricted to: • WAN design; • Equipment breakdown; • Installation; • Configuration; • Testing; • Operation; • Maintenance and control concepts on a Wide Area Network (WAN) for the implementation of Wide Area Multilateration (WAM) surveillance technology. Please confirm the description. Please confirm the contract number as two contract numbers were published. (Tender №88080044)