What system does not need to physically see an item to read it?

A radio frequency identification system (RFID) is specifically designed to read information from tags attached to items without the need for a direct line of sight. RFID uses radio waves to communicate between a reader and the tag, allowing it to capture data even if the item is concealed or not directly visible. This capability makes RFID particularly advantageous for tracking inventory, managing assets, and improving logistics and supply chain efficiency.

In contrast, a global positioning system (GPS) requires satellite signals to determine location but does not read item information directly. Barcodes necessitate a scanner to be in line with the code for successful reading, which means the item has to be visible and accessible for the scanner. Transportation management systems, while important for planning and executing transport logistics, do not inherently involve reading physical items; they are software tools that manage operations and data rather than a method of reading items directly.