Handheld terminals (Data Acquisition System) is a multi-purpose non-contact smart card machines, can be used in handheld consumer, data logging, meter reading, identification, inventory control, mobile data collection, production lines, hotel management and other occasions, but also for Mifare cards, EM cards, Temic cards and other cards. And it's with the time attendance, the charing mechanism, access control, etc. Of our company organized the " One Card" Management system Application: Important special site patrol and management. Personnel, vehicles of various authentication. Water, electricity, gas, three tables handset meter reading. Institutions, shopping centers, logistics, and other goods and Warehouse registration. Special occasions important mobile consumption License or identification card security decentralized Network of non-terminal data acquisition Hotel, police and logistics, stock management, field operations, mobile data management. Features: 128x64 LCD display, blue screen with white words, clear appearance. With the founding of superscript two Store, the whole Chinese menu graphics interface. High reliability, big capacity, high-speed data storage. High capacity lithium battery cell phone / nickel-hydrogen battery power. Automatically resting energy saving mode. Rayabhari, convenient light punch cards to operate discreetly. Two data confidentiality, security, reliability, convenience inquiries. Careful design, SMD technology advanced, performance is stable and reliable. Machine functions upgrading, expansion convenient. Can be widely applied to patrol, stock inventory, mobile consumer, data acquisition, authentication, security cards, three Meter Reading, hotel management and other occasions. Main technical parameters: Frequency: 13.56MHZ or 125KHZ Storage methods: Flash memory Storage capacity: 512K bytes x2 Data preservation: Above 10 years Read distance: 3-10cm Read speed: 0.1 seconds Means of communication: RS232 LCD Size: 41 x 26.128 * 64DOTS Work Power: 3-5V, 850mA, rechargeable nickel-hydrogen battery energy Saving mode: Automatic dormant, waiting time was more than 10 days Work Temperature: -20 º C -45 º C Storage temperature: -30 º C -85 º C Work Humidity: 20%-90% Mainframe size: L * W * H=135 * 65 * 29mm Mainframe Weight: 148g (without battery)