DSL, depending on provider, is typically 128 upload and 1. 2mb download. 802. 11b is a wireless protocol that has a maximum bandwidth of 11 mbps and increments down on signal strength problems or interference (besides other things). 802. 11a has higher bandwidth (54mbps, some are pushing more but that is the spec) and some vendors are supporting both protocols out of the same access box. Typical Cable Modem is 256mpbs and some are pushing 512mbps now. Fiber Optic cable backbones will allow many providers more backbone bandwidth, but basic subscriber speeds will remain about the same (so they can support more subscribers). Cable Modem or Cable Networks suffer performance problems with the more people on the local cable. DSL doesn't suffer from this. I. e. the more people in your neighborhood on a Cable Network, the slower it will become. If you are hooking up via a RJ45 or RJE connector to your computers network interface, you are not wireless. Wireless is best used for laptops with a remote access node nearby (150’ or less). There is indeed a security issue with 802. 11b, but for personal use, it’s not a big issue. More so for enterprise networks.