There are many 802.11b hardware vendors , and as the popularity of wireless networks increases , there are sure to be more. The products that we have tested and included in this chapter are a tiny selection of the vast array of products on the market. However, each of the products reviewed here has exceeded our expectations, and you have our personal recommendation on each of them. Of course, each person and network are unique. You should consider specific environment and application requirements when you decide to purchase one product over another.