I am considering replacing my router to put the IOT devices on to their own network. The router need to support a DECT landline phone. Vodafone is our ISP. Which routers can provide DECT landline and

Hi, i am looking to get a WiFi extender (or similar) because there are some dead zones in my house. I have a Vodafone Power Hub router. I'm pretty sure that the RE705X can be used with this router but