Webcelerate Accelerator works with connections operating at speeds up to 200Kbps (kilobits per second). In addition to dial-up connections, some wireless, ISDN, or slow DSL connections qualify. If you have not downloaded Webcelerate Accelerator and you are not sure what your Internet connection speed is, you can test it at http://webservices.cnet.com/bandwidth. If you have installed Webcelerate Accelerator you can check your speed by using Webcelerate Accelerator diagnostics, available from the Webcelerate Accelerator taskbar menu.