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Hi There.

I have the Tp-Link AV600 (Shown here: http://www.argos.co.uk/product/5585575)

I've noticed you can also purchase "Triple Kit"s (Shown here: http://www.argos.co.uk/product/5763964) with an additional plug.

At the time of purchase, I did not require the additional plug, but now it would be rather useful. Is it possible to simply purchase the single extra plug? or do I need to purchase the triple kit all together?

Also, if you can simply purchase the individual plugs, is there a limit to how many I can have on one network?

Thanks