5Ghz now on router - OK to use or extra charge?

[#1]

Hi - non techie person, so possibly silly question to some!  See that on my broadband connections now I have the option of a 5Ghz connection.  Would seem to be a lot faster, as expected.  Is this standard/included in Unlimited fibre extra package or does it cost more to use?  Thanks

[#2]

@DRMLM 

There is no charge for using the 5GHz hub wireless channel Don’t confuse it with the  5G mobile phone service.

Either wireless channel on a hub will not go any faster than the hub connects to the BT infrastructure, which is what you will get if you connect to your hub using an Ethernet cable.

[#3]

Thanks for prompt information!