Can a old router be used as a repeater/range extender

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Ubiquiti NSM2 2-Pack Kit Complete Pre-Configured NanoStation M2 2.4GHz airMAX CPE Amazon.com: Ubiquiti NSM2 2-Pack Kit Complete Pre-Configured NanoStation M2 2.4GHz airMAX CPE: Health & Personal Care

Thanks for the info. I think the ubiquiti nano is the way to go.