Range extender doesn't work with N450 wifi modem router

[iactohca]

I purchased a new N450 WiFi Cable Modem Router. I couldn't get my TP-Link range extender to work with the router. I purchased an Almond router/range extender. I've tried setting it up as a range extender and it also doesn't work. Is there something I need to do in the Cable Modem Router settings to have it recognize either of these range extenders?

[DarrenM]

It could be the security type or the wireless channel that those extenders do not like but I have not set up those brands before.

DarrenM