ZyXEL ZyAIR B-4000 Wireless Hotspot Gateway
February 19, 2004
Want to run a hotspot for profit in your small venue? This gateway provides all the tools needed to help you with access, billing, and monitoring.
Pros: Inexpensive soup-to-nuts hotspot bundle
Cons: No user bandwidth limitation feature
When setting up a WLAN hotspot, particularly one where you will be charging for access, establishing the actual wireless network is often a relatively straightforward task. On the other hand, it can be quite a bit more complicated to set up the infrastructure to handle things like authentication and billing.
ZyXEL aims to simplify the set-up and operation of a hotspot with the ZyAIR B-4000 Wireless Hotspot Gateway .
Given the need for wide compatibility, the B-4000 sticks with 802.11b for its radio. The twin antennas are removable via standard reverse-SMA connectors, so one or both may be replaced with higher-gain units. If wireless encryption is desired, WEP is supported up to a 256-bit key level.
For non-troubleshooting scenarios, the B-4000 lets you define specific Web sites or client IP addresses that carry no restrictions. Another useful feature is the B-4000's so-called "walled garden" which can display up to 10 links on the login page that don't require authentication to access.
Account creation and authentication is handled entirely within the B-4000 itself, and if you're feeling generous, you can disable authentication to provide unchallenged access to all comers. Integration with an external account server isn't currently supported, though that's not likely to be a big downside for the small firms the product targets. ZyXEL says the unit can maintain 512 accounts, with 100 users online at once (though if you attempt anything close to that number, you'll likely not have many repeat customers).
Initially setting up the billing parameters on the B-4000 can be a bit intimidating, owing to the seemingly unending and interdependent plethora of radio buttons, drop down lists, and fields that need to be navigated and configured. However, after some time spent working with the pages and a bit of trail and error I had the system running smoothly. Luckily, in most cases, you'll only have to do this once, notwithstanding possible periodic price adjustments.
You can define time and cost increments (the sales tax percentage can also be calculated automatically), and implement a discount plan that makes access time cheaper as more increments are purchased. Accounts can be created via the aforementioned printers or via a Web-based panel, and receipts can be printed via a PC printer in lieu of the SP-100.
The B-4000 offers a reasonable number of options concerning the user's initial login experience. The standard login screen is a plain and unadorned white (though you can add a logo and some basic text), and an advanced option provides some rudimentary HTML customization capabilities (mainly text and background colors). You can also specify split login where a specific site is displayed in the top frame and the login box occupies the bottom. If you don't want or need to authenticate users, you can also redirect users to an external Web page.