Airports, train stations, and ferry terminals have high population densities, spacious environments, and high interior net storey heights. They require high linkage requirements. For this purpose, we recommend the 6002 series addressable alarm system, along with the 407 series line-type smoke detectors and 401 series flame detectors. The 6002 series addressable alarm system has a large capacity, high level of informatization, and can be used in conjunction with graphic monitoring software. Here are the specifics devices: