1. Bluetooth
Bluetooth scanners can wirelessly connect to smartphones, tablets, or laptops. They are convenient and easy to carry, but may have range limitations.
2. Wireless internet access
WiFi scanners connect to local wireless networks, allowing them to connect with computers or mobile devices. They provide good range, but require wifi network.
3.USB
The USB scanner is directly connected to the computer through a USB cable. They provide reliable hard wired connections, but lack portability.
4. Based on the application program
These scanners are connected to mobile applications via Bluetooth or WiFi. This application provides diagnostic and coding functions on users' smartphones or tablets.
