Specifications include, but are not limited to: A vendor to operate and maintain the system, and issue a Request for Information (RFI) to solicit responses from interested parties that are capable of providing field maintenance for the system. Services will consist of overall system operation and maintenance, including field maintenance, and will require one primary point of contact for the vendor. Maintain, repair, test and replace LED message boards including all control devices, cables and connections. Maintain, repair, test and replace Bluetooth devices including wireless and wired communications, radio antennas, cables and connections. Maintain, repair, test and replace all electrical components including solar panels, power controllers, batteries, grounding rods, cables and connections.