I'm using an Archer AX20, an RE550 WIFI Repeater and a TL-WPA7517 Kit to provide a stable and seamless wireless connection within the whole property.

Is there an option the add an additional TL-WPA7517 to the same power line "connection" and building an additional OneMesh wifi node? As far as I saw the TL-WPA7517 is only available in the KIT - right? Are there other devices supporting AV2 powerline and AC1200 wifi with OneMesh available as single device?

If it is possible and the TL-WPA7517 KIT is the only available package I will buy an additional and leave the TL-PA7017 unused.