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Alien Technology's long-range, high performance battery-powered backscatter system fills the gap between short-range passive systems and high-cost active RFID systems. Battery-powered passive RFID technology extends the range over which a tag can be read by providing the tag with its own battery power source. With a typical range of over 30 meters, this technology is ideal for applications such as:

• Long range identification
• Sensor monitoring
• Immobilizer
• Vehicle-asset tracking
• Supply chain automation
• Tamper detection
• Security/ access systems
• Time temperature monitoring
• Access control
• Passive tag data storage for hierarchical asset tracking systems

Large Memory Capacity
Equipped with a small battery, battery-powered backscatter tags can store 4 Kbytes of data, including locally acquired sensor data. In one available configuration, the system can monitor and record temperatures at user-defined time intervals. With this system, tags can be applied to temperature-sensitive products at production or shipment, and the temperature history of the product can be downloaded wirelessly at the final destination or at any point along the way. Because it still uses the low power backscatter technology, a small battery will provide many years of operation.

This read/write device has a rich command set allowing for flexibility in memory allocation, I/O allocation, and stand-alone data logging options.

Features:

• Small size
• Read/Write range reliable at 30 meters
• Ultra low quiescent current for long battery life
• Microcontroller based for easy custom applications
• I2C bus for easy implementation of additional functionality