It's one thing to take your Volvo to Jiffy Lube for something as simple as an oil change. But for more serious servicing, you'll probably want to bring it to the dealer. After all, who else has the make- and model-specific tools necessary to make your engine hum?

The same goes for fine-tuning your WLAN. For some jobs, general tools will do the trick. But when it comes to preserving the reception on your WLAN, you need special tools with specific capabilities.

By Lee Badman at Network Computing.

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