Boosters for router

[#1]

We seem to struggle getting WiFi signal with the new plusnet router which we switched too recently.
Our previous Sky router never had an issue therefore wondered if:-
1) Plusnet supply boosters?
2) Which boosters work well?
Thanks in advance

[#2]

@Shump300622 1) No they don't

                            2) A little more detail may help those with knowledge to offer advice/help.