Yes - by telling you what ones NOT to use. Click audit and then Wi-Fi Checklist. Choose your network, and then it will tell you if you are on a good channel or not, automatically!

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rylando 2 hours ago | parent [-]

Is that a feature of the $20 plan? Or only the $50?

	▲	n1sni an hour ago \| parent [-]
		Both will tell you - the $50 one will be much more detailed... but both give you yes/no feedback.