... freeway ETC, safety-inspection from port or custom.2 Personnel management: quick attendance administration, conference signature ... patrol system.3 Cargo management: storage and data collection, system, moving goods control and trace, container ... management.Technical ParametersModelMR3010A (Locator) Operation Frequency2.4GHz-2.5GHz ISM microwave bandCommunication Modedynamically encrypt mode Wireless ...