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RFID vs. Barcodes for Evidence Tracking
Automated identification technology (AIT) has revolutionized evidence tracking in forensic labs and law enforcement with the use of barcoding and radio frequency identification (RFID). Barcodes are visual patterns of bars and spaces used as unique identifiers in retail and logistics due to their simplicity and cost-effectiveness. On the other hand, RFID technology employs electromagnetic fields to detect tags on items, consisting of tags, readers, and software. The key differences lie in line of sight requirements, reading speed, data capacity, durability, security features, and cost considerations. Barcodes need a direct line of sight for scanning, while RFID does not, offering faster scanning, higher data capacity, and enhanced security. Barcode systems are cheaper to implement but require manual scanning and have lower security levels. In contrast, RFID systems are more expensive initially but offer efficiency, increased security, and durability. Choosing between the two technologies depends on factors such as budget, specific needs, and volume of evidence to be managed to ensure an effective evidence-tracking system.
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