Ethernet extender plug advise needed

[WiggansHood]

hello can anyone help me 

Not great with this stuff but I need

an extender in my sons room so he can plug a gaming pc ethernet direct into an extender. His ping is poor on wifi. ? We have 900 mb fibre to property. Hub downstairs. Sky booster in centre of house. 4 mini boxes. 

engineer said that i needed a tp link but wifi disabled as would mess up the mesh of the boxes ? Some basic guidance would be a great help. my knowledge is not great on how it all works. thank you in advance. 

[TimmyBGood · Accepted solution]

@WiggansHood 

The appropriate hardware would be a pair of non-WiFi Powerline network adaptors with gigabit chipsets: that gives a direct wired connection with no possibility of interfering with existing wireless.

Argos will do you a pair of TP-Link’s AV1000 units boxed as a kit for £35 : much more expensive hardware is also available.

You'd also need two ethernet cables.