I have a 2 device Deco X80 and would like to add a third device to extend the range and make some parts of my house more reliable. I'm a bit confused about what I need to buy. I'm unable to find a sin

Hi I have had a Deco X80 (2 units) for a couple of years now and have always had little drop outs or connectivity issues. I can usually deal with them, but they are getting a little frustrating. I'd a