1) Barcode scanner :- Barcode scanners emerged shortly after the introduction of wireless technology and have become a staple in many WMS today. A barcode scanner is a hardware device used by many companies to read barcodes in the warehouse, print out product information or labels, and log products into the warehouse management system’s database. Barcode scanners can come in many sizes, shapes and forms depending on the company’s intended use for the hardware.

2) Smartphones:- A mobile computer is basically a barcode scanner with a display screen and its own operating system. The hardware was designed to act like a portable PC with barcode scanning capabilities. As mobility became more desirable, companies began to adopt more mobile warehouse management hardware solutions. While not the most common piece of warehouse management hardware, smartphones are beginning to emerge onto the hardware scene. Many companies have started using smartphones as data collection devices. Smartphones are able to operate in the physical world via barcode scanning and voice and image capture, as well as connect to other software solutions via the “cloud”. This gives companies the ability to securely create, update, and manage business information at anytime from anywhere.

3) RFID (Radio frequency Identification):- The use of RFID reduces the amount of time required to perform circulation operations. The most significant time savings are attributable to the facts that information can be read from RFID tags much faster than from barcodes and that several items in a stack can be read at the same time. While initially unreliable, the anti-collision algorithm that allows an entire stack to be check-out or check-in now appears to be working well.

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