Hi @Mascar,
Welcome to TPG Community!
We recommend having a read of this community article, which may help you in Improving Wi-Fi Connection In Your Home:
https://community.tpg.com.au/t5/Featured-Articles/Easy-Steps-to-Improve-Wi-Fi-Connection-In-Your-Hom...
Let us know if we can be of further assistance.
Thanks,
Karl
