Warehouses have been using wireless for quite a while, such as scanning guns for inventory tracking,These days, a lot of companies are going through an upgrade cycle to their wireless technology ?from proprietary technology to standards-based technology. The products tend to be standard, off the shelf, and priced reasonably, so even small warehouses are getting involved. With the emergence of the 802.11 wireless standard, people are upgrading their networks to achieve better performance, and also gain the flexibility of having mutiple vendors for best deploying.