Hi I have four TL-PA717 (AV1000) devices. Sorry the model number is not availble to select from the pick list Three of them pair easy using the pair button. The 4th will not pair however hard I try. I

Hi I have purchased a TL PA717 KIT which so far works great. I would like to extend this by purchasing a wifi extender. And I only wish to purchase the extender, not a kit. Which device is compatible