Apple Wi-Fi problem on time warner network?

Ok my ipod, ipad, and iphone, aren't picking up my Wi-Fi every thing else like my laptop, smart tv, is picking it up i've tried resetting my Wi-Fi networks turning it off and on and they still won't connect! I don't know if its the devices or something with apple but can someone help me please! Oh and its alredy been 3 days so i tried to wait it out.

I talk too the person or people you are getting Wi-Fi from

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