How does hand held RF scanner work?

A handheld RF scanner works by emitting radio frequency signals to detect and communicate with RFID (Radio Frequency Identification) tags. When the scanner is brought close to a tag, the tag's antenna receives the signal, powering it up and allowing it to transmit its stored data back to the scanner. The scanner processes this data and displays it to the user, enabling quick identification and tracking of items without direct line-of-sight. These devices are commonly used in inventory management, asset tracking, and access control.