Electronic Article Surveillance (EAS)

For retailing enterprise that implement open-shelf sale, shoplifting is the main reason of decreasing profit. EAS is a kind of electronic anti shoplifting system that can decrease shoplifting when retailing enterprise implement open-shelf sale, so increase sales and profit. EAS system consists of electronic sensors, deactivator system and label or tag. Electronic sensor that are located at store exits, a transmitter sends a unique signal at certain frequencies to a receiver, which creates a "surveillance area" at a store exit, when a product with an active label or hard tag is moved past a sensor, the sensor sets off an alarm.

Radio Frequency (RF) is the most popular technology in EAS system, it adopts Radio Frequency as Transmit and Receive signal, the detection frequency range is 7.x~8.xMHz. The advantage of RF EAS system is low cost, good price VS performance and all kinds of label are current.

Radio Frequency Identification (RFID)

RFID is a technology that provides wireless identification of people or assets. A RFID tag is attached to an object and contains information about that object. The basic units of any RFID based systems are small RF “tags” – devices which emit RF signals either at periodic intervals (active RFID technology) or when they come in close proximity to an RFID reader (passive RFID technology).

For active RFID solutions, the sensors are mounted at regular intervals throughout a facility, blanketing the entire region in a “sensory network” which can pick up the location of a tag anywhere in the system. When the tagged object passes within range of an RFID reader (line of sight is not required), the reader will pick up the wireless signal from the tag and the information can then be transferred to a computer system for processing.

This makes it possible to track objects within a controlled environment, which may be a warehouse, a hospital, a high-security building, or wherever important valuable assets need to be tracked closely. Processes can be automated by including item specific information or instructions within the tag.